Built where a 1926 pool once stood.

Basin Lake Louise, officially BASIN Glacial Waters, is the new thermal bathhouse at Fairmont Chateau Lake Louise in Banff National Park. Its history is more interesting than most new spas’. In 1926 the hotel opened an open-air pool on its shoreline. According to the hotel’s press kit, the pool was filled with water from nearby Lake Agnes and heated to 25°C. It measured 110 by 40 feet, which made it the second-largest pool in Canada at the time. It closed in 1980, and its foundation sat unused for decades.

BASIN is built on exactly that spot. The hotel says the project took about twenty years from idea to opening, and it was scheduled to open on 15 September 2025. It completes a C$130 million investment in the property, which also covered renovated guest rooms and a redesigned Fairmont Spa.

The idea

Rebuilding on the old site was a practical choice as well as a romantic one. As the Boston Globe has reported, changes to Canada’s National Parks Act limit how far the hotel can expand its footprint. Building on the old pool’s foundation was one of the few ways to add something new. The paper describes BASIN as the first new structure on the property in around 40 years.

The design brief comes from Nordic and Central European bathing traditions: heat, cold, rest, then repeat. The hotel says BASIN takes inspiration from natural springs, thermal waters and Nordic sauna culture. It sits at about 1,600 metres, looking out at the lake and the Victoria Glacier.

The site has been used for bathing for a hundred years. BASIN is the newest version.

What you actually do at Basin Lake Louise

A visit lasts three hours, and the hotel organises it around four elements:

• Heat: Finnish and bio saunas, steam rooms and an outdoor Aufguss sauna. Aufguss is a guided ritual in which a sauna master pours aromatic water on the stones and moves the heat around with a towel. The sessions run throughout the day and last about 15 minutes.
• Cold: cold plunges and a Kneipp walk, which alternates warm and cold water underfoot.
• Water: indoor and outdoor pools, including an infinity pool that extends onto the terrace, a circular reflexology pool, and hydro and vitality pools.
• Stillness: a Silent Salt Relax room with a Himalayan salt wall, a herbal tea room and the Glacier Lounge, which serves light food and drinks.

If you would rather not plan your own route, BASIN offers five guided sequences it calls Trails. The Stillness Trail is meant to calm the nervous system, and the Presence Trail focuses on grounding and, according to the hotel, helping with jet lag. There is also a hot stone massage room and two wet treatment rooms, one of them modelled on a hammam.

The space

The architect is Matteo Thun, an Italian architect known for sustainable design. Wallpaper described a tall main hall with large arched windows and a narrow entrance channel where water runs over lake pebbles. The materials are:

• cedar and fir
• stone and pebbles
• lime plaster
• porcelain tiles, which Thun chose as a more sustainable alternative to natural stone

The Boston Globe puts the building at about 19,000 square feet, built with sustainably sourced Canadian lumber and local rock.

Who it’s for

For now, BASIN is mainly for people staying at the hotel. It is adults only, for guests aged 18 and over. It is open to registered overnight guests of Fairmont Chateau Lake Louise and some sister properties, and the hotel has said passes for non-guests will come later. Phones and other devices are not allowed, and that rule is part of why it’s worth going. If you are already planning a Rockies trip, it is a good reason to stay at the Chateau rather than visit for the day.

Good to know

• Where: Fairmont Chateau Lake Louise, 111 Lake Louise Drive, Lake Louise, Alberta.
• Hours: The hotel lists 7am to 10pm, with last entry at 7pm. Hours may change with the season.
• Access: Adults only. Currently limited to hotel guests and some sister properties.
• Book separately: A room reservation does not include BASIN. You need a separate time slot, and the hotel recommends booking before you arrive.
• Bring: Swimwear and a reusable water bottle. Towels, robes and slippers are provided.
• Book via: the official BASIN page. We haven’t listed prices because the official page did not give them.

Why it matters for New York

BASIN shows that a thermal circuit can go on a constrained site, reusing an old foundation instead of needing open land. Several New York buildings have an empty pool, an old bathhouse or an unused basement. BASIN is a good example of what those spaces could become.

Official website: chateau-lake-louise.com