Banff Hot Springs Hotels: Nobody Owns the Water (2026)
Parks Canada runs the only pool in Banff National Park you are allowed to soak in. This page ranks 10 town hotels by how quickly they get you to the Banff Upper Hot Springs, and names the one that everybody assumes has its own.
No hotel in Banff has hot spring water. Every grotto, mineral pool and hot tub in town is heated tap water — including the one at the hotel named Fairmont Banff Springs (why that trips people up).
The only legal soak is the Banff Upper Hot Springs, run by Parks Canada at 1 Mountain Avenue: pools held at 98–104°F / 37–40°C, 5,200 feet up, the highest hot spring in Canada.
It costs CA$19.75 adult and CA$64.25 family, open daily 10 am to 10 pm year-round with last entry at 9:30 pm — and there are no reservations of any kind, you queue at the desk.
Park entry is free right now under the Canada Strong Pass, 19 June to 7 September 2026; CA$12.25 adult resumes afterwards. No park pass has ever covered the pool (the two fees explained).
No hotel runs a shuttle to the springs, but Roam Route 1 does, every 20 minutes for CA$2 — and Fox, Caribou Lodge and Hidden Ridge hand you the bus passes free.
Closest bed to the water is Mount Royal Hotel at about 4.3 km by road — roughly an hour uphill on foot, so most people ride.
Want to actually walk to a hot spring? That is Radium Hot Springs village, 137 km away in Kootenay National Park, where the same CA$19.75 buys entry and CA$28.75 buys an in-and-out day pass (the case for Radium).
Hotel data and prices checked August 2026. Nightly rates are a snapshot for 10–13 November 2026, two adults.
Banff Upper Hot Springs Hotels, Compared
Ten properties, one verdict repeated ten times: no thermal water. What actually separates them is metres of road to the pool and whether the front desk hands you a bus pass.
Contradiction on the record: Google's property description says 'a spa with a mineral pool', while the hotel's own website calls the same facility a 'grotto-inspired pool, hot tub and steam room area' with no mineral, thermal or spring wording anywhere. We treat the hotel's own site as authoritative and the water as ordinary
Grotto-inspired indoor pool, hot tub and steam room; the Parks Canada thermal pool is about 5.3 km by road
Nothing thermal included. No hotel in Banff can include what Parks Canada owns
No thermal water. The communal tubs and the private balcony tubs are all heated tap water
Two communal hot tubs with valley views, a sauna, and private hot tubs on upgraded condo balconies; the thermal pool is 6 km-plus by road
Nothing thermal included; free transit passes come with the room
4.2/5 (2,465)
$117
Nightly rates are a snapshot for a 10–13 November 2026 stay, two adults, and move with season and demand. Springs prices, hours and rules are as published by Parks Canada in August 2026. Only Banff Caribou Lodge publishes a road distance to the pool; the other distances are straight-line measurements with a road estimate applied.
Which One Is for You
Four questions decide this town: how close to the pool, how you plan to get up Sulphur Mountain, whether you are cooking, and whether a private tub matters more than the real thing.
Each property below is judged on what its own operator publishes: thermal claims, verified distance to the Parks Canada pool, and what the room actually includes.
Source temperature
104°F / 40°C
The pool is held at 98–104°F / 37–40°C. Parks Canada does not publish a source temperature for Banff, so none is given here.
When to soak
Year-round
Open daily 10 am to 10 pm, last entry 9:30 pm, and no reservations are taken at all — it is first-come, in person.
Day entry
CA$19.75 adult
Banff Upper Hot Springs; CA$64.25 family. Park entry is separate and free until 7 September 2026 under the Canada Strong Pass. Checked August 2026.
Elevation
5,200 ft
Altitude shortens comfortable soaking time — drink water.
Kids
mixed
All ages; the pool is the highest hot spring in Canada at 5,200 feet.
Nearest airport
Calgary (YYC)
About 90 minutes by road.
The Hotels, One by One
Ordered by distance to the Banff Upper Hot Springs, starting downtown and working up Banff Avenue.
Closest to the springs
Mount Royal Hotel
4.3/5
138 Banff Avenue, the top of the downtown strip · 1,325 Google reviews
Walk to the springs
Water
No thermal water. The rooftop hot tub and sauna run on heated tap water; the hotel makes no springs claim
Pools
Hot tub and sauna on site. The Banff Upper Hot Springs pool is up Mountain Avenue; Cave and Basin is 2 km the other way, and closed to bathing
Room includes
Nothing thermal included. Pool admission is paid at the Parks Canada desk, CA$19.75 adult as of August 2026
Kids
All ages
The shortest hot-springs commute of any hotel we harvested: about 2.9 km straight-line, roughly 4.2–4.3 km by road, which a Banff guide site clocks at about an hour uphill on foot.
It sits at the downtown end of the Roam Route 1 'Sulphur Mountain' line, so the bus to the springs door is a two-minute walk from the lobby and runs every 20 minutes during pool hours.
Its amenity list shows a local shuttle, but nothing the hotel publishes describes a hot-springs shuttle — do not book it expecting one.
A 1908 redbrick-and-stone building with the best position on this page and a hot tub that is, geologically speaking, a bathtub.
461 Banff Avenue, the upper motel strip · 1,959 Google reviews
Drive to the springs
Water
No thermal water. The underground grotto pool is a built replica of the Cave and Basin; the hotel's own site lists it flatly as 'Hot pool, sauna'
Pools
Circular indoor grotto pool with waterfall features, skylight and sauna; the real thermal pool is about 5.3–5.5 km by road
Room includes
Nothing thermal included, but every room comes with complimentary Banff Local Roam bus passes — and Route 1 goes to the springs door
Kids
All ages
The most-photographed hotel pool in Banff, and the one most often mistaken for a hot spring. Banff Lake Louise Tourism describes it as 'designed to imitate the local Cave & Basin's natural hot springs' — imitate being the operative word.
The free Roam passes are the practical draw: Route 1 runs to the Upper Hot Springs every 20 minutes during pool hours, which turns a 5 km uphill slog into a ride you have already paid for.
About 3.7 km straight-line from the pool; the walk up Banff Avenue and Mountain Avenue takes well over an hour.
Sleep and air conditioning are the recurring complaints in its reviews; the pool and location topics run strongly positive.
459 Banff Avenue, next door to the Fox · 1,051 Google reviews
Drive to the springs
Water
Contradiction on the record: Google's property description says 'a spa with a mineral pool', while the hotel's own website calls the same facility a 'grotto-inspired pool, hot tub and steam room area' with no mineral, thermal or spring wording anywhere. We treat the hotel's own site as authoritative and the water as ordinary
Pools
Grotto-inspired indoor pool, hot tub and steam room; the Parks Canada thermal pool is about 5.3 km by road
Room includes
Nothing thermal included. No hotel in Banff can include what Parks Canada owns
Kids
All ages
This is the only Banff property our harvest flagged as claiming springs, and the claim does not survive a read of the hotel's own site.
The four-star finish and the quietest end of the Banff Avenue strip are real; the mineral pool is the part to discount.
About 3.6 km straight-line, roughly 5.3 km by road. Route 1 from downtown, or a ten-minute drive.
If the hotel's own pool description changes to say mineral or thermal, that is worth rechecking — as of August 2026 it does not.
521 Banff Avenue, ten minutes on foot from downtown · 2,151 Google reviews
Drive to the springs
Water
No thermal water. A full-service spa with six treatment rooms, a hot tub and a steam room, none of it spring-fed
Pools
Hot tub and steam room plus a treatment spa; the thermal pool is 5.4 km away by road
Room includes
Nothing thermal included, but bus passes are free — Route 1 ends at the springs
Kids
All ages
The one hotel on this page with a published road distance rather than an estimate: its own Google description states it is '5.4 km from Banff Upper Hot Springs'. About 70 minutes uphill on foot.
Free bus passes and heated underground parking, which in February matter more than the spa menu.
The largest spa in this set — six treatment rooms — and the transit and wellness review topics both run positive.
Rooms and bathrooms draw the most negative comment; the property and service topics run the other way.
901 Hidden Ridge Way, up on Tunnel Mountain, 2.3 km from downtown · 2,465 Google reviews
Drive to the springs
Water
No thermal water. The communal tubs and the private balcony tubs are all heated tap water
Pools
Two communal hot tubs with valley views, a sauna, and private hot tubs on upgraded condo balconies; the thermal pool is 6 km-plus by road
Room includes
Nothing thermal included; free transit passes come with the room
Kids
All ages
The private balcony hot tub is why people book here, and its hot tub and nature review topics are among the most positive on this page.
Also the farthest from the springs in this set: about 4.3 km straight-line, over 6 km by road, uphill on Tunnel Mountain and not walkable in any season.
Apartments with kitchens, fireplaces and laundry make it the family-week choice; free transit passes cover the ride down and up.
Cleanliness splits almost evenly positive and negative across a very large review sample — read recent reviews before booking a specific unit.
Rates shown are snapshots for 10–13 November 2026, two adults, and change daily. Some links on this page are affiliate links; they cost you nothing and don't change our ordering.
Prefer to browse everything bookable in Banff? Search all stays:
Where the Water Actually Is
Banff has three famous thermal addresses. One takes your money, one takes your admission and forbids swimming, and one is a hotel name.
1 Mountain Avenue, Sulphur Mountain
Banff Upper Hot Springs, Parks Canada
One large outdoor soaking pool at 98–104°F / 37–40°C1932 federal heritage bathhouse, changing rooms, cafeNo cool pool, no slides, no lap pool
The only place in Banff National Park where public bathing is allowed. No lodging on site — Parks Canada runs the pool and nothing else. Roam Route 1 stops at the door.
Downtown Banff, Banff Avenue and Lynx Street
about 4.3–4.5 km by road, hour uphill on foot
Hot tubs, saunas and indoor pools, all heated tap water
2.3 km from downtown before you even start toward the springs. Nobody walks this one.
Cave and Basin National Historic Site
closed to bathing at all times
The Cave spring, the boardwalk springs, The Basin and Kidney Spring — all off-limits
The spring that created Canada's national park system. You can look at it, photograph it and read about it. Entering the water is prohibited by a Parks Canada restricted-activity order.
⟷Mount Royal and Brewster Mountain Lodge sit within a block of the Route 1 stop, which is the fastest route to the pool from any bed in town.
⟷Fox and Royal Canadian Lodge are next-door neighbours at 461 and 459 Banff Avenue, both about 5.3 km from the springs by road, and one of them gives you the bus fare free.
⟷Hidden Ridge is the outlier: farthest from the water, best private tubs, free transit passes to make up the difference.
⟷Every hotel here is closer to Cave and Basin than to the Upper Hot Springs — and Cave and Basin is the one you cannot get into.
hot springs on-sitewalk to the springsdrive to the springsno thermal water
Banff Hot Springs by the Numbers
Every figure below is published by Parks Canada or Roam Transit, quoted rather than averaged.
Pool temperature
98–104°F / 37–40°C
Parks Canada's own range for the Banff Upper Hot Springs. It publishes no source temperature, so we do not print one.
Adult admission
CA$19.75
Family CA$64.25, youth 3–17 and seniors CA$17.25, under 3 free, as of August 2026. Paid in person; no online tickets exist.
Elevation
5,200 ft
1,585 metres, which makes it the highest hot spring in Canada.
Hours
10 am – 10 pm daily
Year-round, including Christmas, Boxing Day, New Year's Day, Good Friday and Easter. Last entry 9:30 pm.
Park entry
Free to 7 September 2026
Canada Strong Pass, 19 June to 7 September 2026. CA$12.25 adult and CA$24.50 family resume on 8 September. Never covers the pool.
Roam Route 1 fare
CA$2 adult
Day pass CA$5 adult, children 12 and under free. Buses every 20 minutes from downtown during pool hours.
The Hotel Called Banff Springs Does Not Have Hot Springs
Parks Canada puts it in one sentence: 'only the Banff Upper Hot Springs remain open for public use.' Everything else you have read about soaking in Banff resolves back to that. The federal government owns the thermal water in this valley, operates the single pool where you are allowed into it, and sells you a ticket at a desk. No hotel in the town of Banff pipes thermal water into anything, and none of the ten properties on this page claims to.
The confusion has one very specific source, and it is worth naming. The Fairmont Banff Springs — the castle hotel on the hill, the building on every postcard, the property whose name is literally Springs — has no hot spring water in its pools. An independent Banff writer states it flatly: 'despite being called Fairmont Banff Springs, this hotel doesn't have hot spring water in its pools. The only place you get the thermal water directly from the source is at Banff Upper Hot Springs.' Willow Stream Spa's centrepiece is marketed as a European mineral pool; the mineral effect comes from added salts, not from the ground. It is not carded on this page because it did not come through our hotel harvest, but it is the first thing anyone planning a Banff soak trip should know.
The second source of confusion is architectural. The Fox Hotel & Suites built an underground grotto pool explicitly modelled on the Cave and Basin — Banff Lake Louise Tourism describes it as 'designed to imitate the local Cave & Basin's natural hot springs.' It photographs beautifully and it is heated tap water; the hotel's own website lists it as 'Hot pool, sauna' and makes no thermal claim at all. The third is a listing error. Google's property description for the Royal Canadian Lodge advertises 'a spa with a mineral pool', while the hotel's own site calls the same facility a 'grotto-inspired pool, hot tub and steam room area' and never uses the words mineral, thermal or spring. We print the hotel's version.
So the ranking question in Banff is not which hotel has the best water. It is which hotel gets you up Sulphur Mountain fastest — and that turns out to be a question about a bus.
The Pool Itself: What CA$19.75 Buys and What It Does Not
The Banff Upper Hot Springs is one large outdoor soaking pool inside a 1932 bathhouse that is now a Registered Federal Heritage Building, roughly 4 km up Mountain Avenue from downtown. Parks Canada keeps the water between 98 and 104°F / 40°C. At 1,585 metres — 5,200 feet — it is the highest hot spring in Canada, and in spring the flow exceeds 900 litres a minute. There is no cool pool, no waterslide and no lap lane. There is a pool, a changing room, a cafe and a gift shop, and in winter there is steam, snow and Mount Rundle. That is the whole product, and it is enough.
Admission as of August 2026 is CA$19.75 for an adult, CA$17.25 for a senior or a youth aged 3 to 17, free under 3, and CA$64.25 for a family. Parks Canada spells out the trap on its own fees page: 'Youth entry fees to Banff Upper Hot Springs still apply' — the national free-entry-for-youth rule covers park gates, not this pool. A locker token comes with entry and extra tokens are CA$2. Swimsuit rental is CA$5 and a towel is CA$3, which is worth knowing if you are arriving straight off the Calgary road.
The rule that catches most visitors is this one: 'Online bookings, reservations, and advance tickets are not available.' There is no timed entry, no waitlist, no app. You show up, you queue, you pay at reception. The pool runs 10 am to 10 pm every day of the year including Christmas, with last entry at 9:30 pm. Combined with a car park that Parks Canada itself describes as limited and quick to fill, this makes the arrival time your only real lever — go early, go late, or take the bus and stop caring about parking altogether.
Two Fees, and Right Now One of Them Is Zero
Banff charges you twice, and the two charges are unrelated. Park entry is what you pay to be inside Banff National Park at all. Pool admission is what you pay to get in the water. People routinely assume a park pass covers the springs; it never has and does not now.
Park entry is currently free. The Canada Strong Pass waives national park and national historic site admission from 19 June to 7 September 2026 — nothing to buy, nothing to register. From 8 September 2026 the normal rates resume: CA$12.25 for an adult, CA$10.75 for a senior, CA$24.50 for a family or group, with youth free year-round. An annual Discovery Pass is CA$83.50 adult or CA$167.50 family and pays for itself in about seven days. Note the Strong Pass fine print quoted by Banff Lake Louise Tourism: 'Free admission applies only to park entry and entry to national historic sites. Regular fees still apply for parking, shuttles, activities, tours, services, and any other paid experiences in the park.'
So a family of four visiting in August 2026 pays nothing at the gate and CA$64.25 at the pool; the same family in October pays CA$24.50 at the gate and the identical CA$64.25 at the pool. The free window also covers Cave and Basin admission — a museum and a boardwalk, not a bath.
Cave and Basin: Look, Read, Do Not Get In
Three railway workers found a warm spring in a cave on Sulphur Mountain in 1883. The fight over who owned it ended with the federal government reserving the land — a reserve that became Banff National Park and then the whole Canadian national park system. Today it is a museum, a boardwalk and the original cave you can walk into.
You cannot swim in any of it. Parks Canada's standing restricted activity order covers the thermal spring in The Cave, the springs along the outdoor boardwalk, The Basin and its enclosure, and Kidney Spring, and the wording leaves no room: 'Entering any of the above mentioned areas is PROHIBITED at all times, as is handling or disturbing any organic matter and/or aquatic wildlife within said thermal springs.' The historic swimming pool no longer operates. People are charged for breaking this rule — CBC has covered at least two prosecutions.
The reason is a snail. The Banff Springs snail, Physella johnsoni, lives in these springs and nowhere else on earth. COSEWIC listed it as threatened in 1997 and upgraded it to endangered in 2000, and its entire global habitat is a handful of thermal outflows on one mountainside. A swimmer stirs sediment, crushes egg masses and changes water chemistry in a pool the size of a living room. We could not establish the year public bathing ended, and several guides state one confidently without a source, so we do not print a year — only that the prohibition is current, enforced and absolute.
Getting Up the Mountain Without a Car
This is the practical heart of the page. No Banff hotel runs a shuttle to the Upper Hot Springs — we checked every property in the harvest and found none, including one whose amenity list shows a generic 'local shuttle'. What exists instead is Roam Public Transit Route 1, 'Sulphur Mountain', which runs from downtown Banff to the Banff Gondola and the Upper Hot Springs every 20 minutes during pool hours. A single adult ride is CA$2, a Banff Local day pass CA$5, youth and seniors half that, and children 12 and under travel free.
Three hotels hand you those passes at check-in: Fox Hotel & Suites, Banff Caribou Lodge and Hidden Ridge Resort, all per their published descriptions. That is the closest thing to a hot-springs perk any hotel in this town offers, and for the two Banff Avenue properties it neatly cancels out their extra kilometre.
Walking is possible from downtown and worse than it sounds. Parks Canada describes the springs as 'four kilometres south of the Town of Banff'; a Banff guide site measures 4.2 km by road from downtown and puts the walk at about an hour. It is uphill the entire way on Mountain Avenue, with no shortcut, and in winter it is dark by five and often icy. From Mount Royal, Brewster, Peaks or Banff Park Lodge a fit adult can do it in daylight and enjoy it. From upper Banff Avenue it is 5 km-plus, and from Hidden Ridge it is not a walk at all.
Driving is five to ten minutes and then a parking problem: 'Parking at Banff Upper Hot Springs is limited and fills quickly,' in Parks Canada's own words. On a summer afternoon the bus beats the car outright. Getting to Banff in the first place is simpler — Calgary International Airport is about 130 km and 90 minutes east on the Trans-Canada, a drive that is scenic in summer and a genuine winter-driving exercise from November to April.
Radium: Where You Can Actually Walk to a Hot Spring
If the point of the trip is sleeping within walking distance of thermal water, Banff cannot deliver it and Radium Hot Springs nearly can. The pools sit in the walls of Sinclair Canyon in Kootenay National Park, just above a small village of the same name, 137 km and roughly 90 minutes to two hours from Banff on Highway 93. The village is compact, the hotels sit below the canyon, and the pools are a short uphill walk or a three-to-five-minute drive from most of them. Note that we could not confirm the village tourism site's walkability claims directly — radiumhotsprings.com refused our request — so treat 'everything is within walking distance' as the village's own marketing rather than a measured fact.
Parks Canada owns Radium too, so no hotel there pipes thermal water either. What Radium adds is a better ticket and a second pool. Single entry is the same CA$19.75 adult and CA$64.25 family, but Radium also sells an all-day in-and-out Day Pass at CA$28.75 adult, CA$25.00 senior or youth and CA$92.50 family, which Banff does not offer at any price. The hot pool runs at the same 98–104°F / 37–40°C; beside it is a large, deep cool swimming pool for lengths and for cooling down, which is exactly what Banff's single pool lacks. Third-party guides put that cool pool near 84°F / 29°C, but Parks Canada publishes no figure, so read it as approximate.
The water is different in a way people notice immediately. Radium's profile is sulphate-calcium — sulphate at 302 mg/l, calcium at 135 mg/l — and it is odourless: no sulphur smell on you or your swimsuit afterwards. The bathhouse is a Classified Federal Heritage Building in a canyon so narrow the highway threads through a rock gap to reach it.
The honest trade: Radium is cheaper, quieter, walkable and has the better ticket; Banff has the town, the scenery and everything else you flew in for. Kootenay park entry is charged on top at the same rates and the same Strong Pass waiver. Miette Hot Springs in Jasper is the third Parks Canada pool and the hottest at source — Tourism Jasper publishes 129°F / 54°C at the mountain, cooled to 104°F / 40°C in the pool — but it is far north, open May to October only, and not a day trip from Banff.
How This Page Was Put Together
Pool prices, hours, temperatures, elevation and access rules come from parks.canada.ca, read on 10 August 2026, because Parks Canada operates all three Rockies pools directly. Two sites we wanted to read blocked us: hotsprings.ca returned HTTP 403 for its Banff Upper Hot Springs page, and radiumhotsprings.com returned 403 for its hot springs page, so nothing on this page rests on either. Roam Transit's route page for Route 1 has moved — the old URL now 404s — and the fares and frequency here come from the current schedules page. Hotel ratings, review counts and nightly rates come from a single Google Hotels snapshot for a 10–13 November 2026 stay, two adults.
Distances need a caveat and get one. Only Banff Caribou Lodge publishes a road distance to the springs — 5.4 km, in its own listing description. Every other road figure on this page is an estimate: we measured the straight-line distance from each hotel's coordinates to the pool, which ranged from 2.93 to 5.75 km, then applied the road-to-straight ratio implied by the Caribou and downtown data points, about 1.45. Those are approximations, not measurements, and we have not dressed them up as GPS routing.
Two figures that circulate widely are missing here on purpose. Banff's source temperature is often given as about 117°F / 47°C; Parks Canada publishes only the maintained pool range, and we found no primary source for a source figure, so we print none — by contrast Miette's 129°F / 54°C at source is published by Tourism Jasper and appears above. And the year public bathing stopped at Cave and Basin is stated confidently in several places without a citation; the prohibition and the restricted activity order are confirmed and current, the year is not, so no year appears on this page.
Contradictions stay on the record. Royal Canadian Lodge is described by Google as having a mineral pool and by itself as having a grotto-inspired one; we print both and side with the hotel. Two harvested properties are not carded: Douglas Fir Resort & Chalets on Tunnel Mountain, whose indoor waterslide complex is a genuine family draw, and Banff Rocky Mountain Resort at 1029 Banff Avenue, the farthest from the springs at roughly 8 km by road. Both are ordinary heated water, and both rate below the ten above.
Banff Hot Springs Hotels: Questions
Does any hotel in Banff have hot springs on site?
No. Parks Canada owns and operates every thermal pool in Banff National Park, and the only one open for bathing is the Banff Upper Hot Springs at 1 Mountain Avenue. Every hotel pool, grotto and mineral pool in town is heated tap water — including the underground grotto at Fox Hotel & Suites, which was deliberately built to look like the Cave and Basin. Choose your hotel on how fast it gets you to the pool, not on its spa.
Does the Fairmont Banff Springs have hot spring water?
It does not, despite the name. Willow Stream Spa's mineral pool is heated and treated with added mineral salts, not fed by a spring. As one Banff writer puts it, 'despite being called Fairmont Banff Springs, this hotel doesn't have hot spring water in its pools.' The thermal water is at the Banff Upper Hot Springs, and you pay Parks Canada CA$19.75 to get into it.
How much is Banff Upper Hot Springs?
CA$19.75 for an adult, CA$17.25 for a youth aged 3 to 17 or a senior, free under 3, and CA$64.25 for a family, as published by Parks Canada in August 2026. Swimsuit rental is CA$5 and towels CA$3. There are no online tickets or reservations of any kind — you pay in person at reception, and the pool is open 10 am to 10 pm daily with last entry at 9:30 pm.
Can you walk to the Banff Upper Hot Springs from town?
You can, and most people ride instead. Parks Canada places the springs four kilometres south of town, and a Banff guide site measures 4.2 km by road from downtown at about an hour on foot, uphill the whole way on Mountain Avenue. From Mount Royal or Brewster Mountain Lodge that is a reasonable daylight walk; in winter, with ice and a 5 pm sunset, take Roam Route 1 instead — every 20 minutes, CA$2.
Do you need a park pass for the Banff hot springs?
You need park entry to be in Banff National Park, and separately you need pool admission. Right now park entry is free: the Canada Strong Pass waives it from 19 June to 7 September 2026, after which CA$12.25 adult and CA$24.50 family resume. Neither the Strong Pass nor the annual Discovery Pass has ever covered the pool — that is always CA$19.75 adult, paid at the desk.
Can you bathe at Cave and Basin?
No, and it is enforced. A Parks Canada restricted activity order covers the Cave spring, the boardwalk springs, The Basin and Kidney Spring: 'Entering any of the above mentioned areas is PROHIBITED at all times.' The reason is the Banff Springs snail, Physella johnsoni, listed as endangered by COSEWIC in 2000 and found nowhere else on earth. Cave and Basin is a museum, a cave and a boardwalk — worth an hour, not a swimsuit.
Is Radium Hot Springs better than Banff?
Better for soaking, worse for everything else. Radium is 137 km from Banff in Kootenay National Park, charges the same CA$19.75 single entry but also sells an in-and-out day pass at CA$28.75 that Banff does not offer, adds a large cool swimming pool beside the hot one, and its odourless sulphate-calcium water leaves no sulphur smell. The village below the canyon is small enough that hotels are a genuine walk from the pools (the full comparison). Banff has the town, the scenery and the flights.