Finnish saunas in Trondheim, Norway
Sjøbadet i Trondheim
Sjøbadet is Trondheim's most central sea bath, on St. Olavs Pir behind the railway station, with roots going back to 1858. The volunteer-run members' association has a sauna, a bathing ladder, a diving tower and a raft about 50 metres out; the sauna runs through the winter and on poor-weather summer days. From 1 June to 31 August it is open to the public from 12:00 to 18:00 for 80 kr; from September to May it is for members, with announced public folkebad sauna sessions.
Stu Brattøra
Stu Brattøra is a floating sauna in Brattørbassenget in central Trondheim, designed and built with thirteen NTNU architecture students. It has two modern electric saunas, each holding 12 people with its own unisex changing room, and direct access to the fjord for cold dips all year. Sessions last two hours; drop-in seats cost 219 kr and private hire of a room 1,899 kr. Booking is online and the door code arrives by SMS.
Stu Bunker'n
Bunker'n is a wood-fired sauna built in 2021 inside a Second World War bunker at Østmarkneset on the Ladestien coastal path, and Stu calls it Trondheim's first publicly available sauna. It holds 12 people and is booked privately for three hours at 1,199 kr; guests light the stove themselves, allowing about an hour to heat, and cool off in the fjord. On weekends Stu runs 60-minute Aufguss-inspired rituals for up to 10 people.
Trondheim Spa
Trondheim Spa is a day spa in Flatåsen in southern Trondheim offering massage and beauty treatments together with a steam bath, a sauna and a relaxation lounge with tea, coffee and fruit. Visitors can buy entry without a treatment for 459 kr, with unlimited time within opening hours, and a bathrobe, towel and slippers are provided. Swimwear is the minimum dress. Open Monday to Saturday.
Havet Arena
Havet Arena in Nyhavna is a sauna village on the fjord, a 12-minute walk from the centre. ARK, the floating village, has seven saunas, fresh-water cold tubs, showers, sea access and a small bar; on the quay stands Árdna, one of the world's largest saunas, next to a path of cold tubs. Sauna masters lead daily rituals, DJs play Árdna on Fridays and Saturdays, and a sauna session costs 225 kr. Private saunas can be booked.
Pirbadet
Pirbadet is Trondheim's large indoor water park on the harbour, with views of the fjord and Munkholmen. Its unisex wellness section, included in the ticket, has two traditional saunas (one at 70–80 °C where water may be thrown on the stove, one at 80–90 °C), a steam bath, an infrared sauna, a soft sauna, a caldarium, an ice shower and two tubs of 9.5 °C seawater drawn from 40 metres deep. Adult entry costs 215 kr at reception.
Husebybadet
Husebybadet is Trondheim municipality's public swimming hall at Saupstad, next to Kolstad Arena and Heimdal upper secondary school, with a 25-metre sports pool and a therapy pool. A sauna is located in the changing rooms and comes with a single ticket of 145 kr for adults. Public swimming runs on weekday afternoons and evenings and from 10:00 to 16:00 at weekends, with morning swims from 6:30 on weekdays.
Britannia Spa
Britannia Spa is the 1,400 m² spa of the Britannia Hotel in central Trondheim, with six treatment rooms, a 12.5-metre heated pool, saunas, a steam room, an ice bath, a mineral pool and an infrared cabin. Non-residents can buy entry for 695 kr on weekdays from 9:00 to 15:00 and on Sundays from 12:00 to 18:00, and a booked treatment includes spa access. Swimwear is the dress code.
3T-Lade
3T-Lade is a 3T gym on Haakon VII gate at Lade with a members' spa section: a warm spa pool, a sauna, a steam sauna and a cold plunge pool, all included in a 3T membership. The centre is staffed throughout opening hours, from 5:00 to 22:30 on weekdays, 8:00 to 21:00 on Saturdays and 8:00 to 22:30 on Sundays.
3T-Rosten
3T-Rosten in Tiller is the flagship of the local 3T chain, a gym of over 6,000 m² across four floors. Its spa area has a sauna, a tiled steam sauna, a hot tub and a cold plunge pool beside a 25-metre swimming pool, all free for members during opening hours without booking. It is open 365 days a year with staffed reception, from 5:00 to 22:30 on weekdays.
Sjøbadet i Trondheim
Sjøbadet is Trondheim's most central sea bath, on St. Olavs Pir behind the railway station, with roots going back to 1858. The volunteer-run members' association has a sauna, a bathing ladder, a diving tower and a raft about 50 metres out; the sauna runs through the winter and on poor-weather summer days. From 1 June to 31 August it is open to the public from 12:00 to 18:00 for 80 kr; from September to May it is for members, with announced public folkebad sauna sessions.
Stu Brattøra
Stu Brattøra is a floating sauna in Brattørbassenget in central Trondheim, designed and built with thirteen NTNU architecture students. It has two modern electric saunas, each holding 12 people with its own unisex changing room, and direct access to the fjord for cold dips all year. Sessions last two hours; drop-in seats cost 219 kr and private hire of a room 1,899 kr. Booking is online and the door code arrives by SMS.
Stu Bunker'n
Bunker'n is a wood-fired sauna built in 2021 inside a Second World War bunker at Østmarkneset on the Ladestien coastal path, and Stu calls it Trondheim's first publicly available sauna. It holds 12 people and is booked privately for three hours at 1,199 kr; guests light the stove themselves, allowing about an hour to heat, and cool off in the fjord. On weekends Stu runs 60-minute Aufguss-inspired rituals for up to 10 people.
Trondheim Spa
Trondheim Spa is a day spa in Flatåsen in southern Trondheim offering massage and beauty treatments together with a steam bath, a sauna and a relaxation lounge with tea, coffee and fruit. Visitors can buy entry without a treatment for 459 kr, with unlimited time within opening hours, and a bathrobe, towel and slippers are provided. Swimwear is the minimum dress. Open Monday to Saturday.
Havet Arena
Havet Arena in Nyhavna is a sauna village on the fjord, a 12-minute walk from the centre. ARK, the floating village, has seven saunas, fresh-water cold tubs, showers, sea access and a small bar; on the quay stands Árdna, one of the world's largest saunas, next to a path of cold tubs. Sauna masters lead daily rituals, DJs play Árdna on Fridays and Saturdays, and a sauna session costs 225 kr. Private saunas can be booked.
Pirbadet
Pirbadet is Trondheim's large indoor water park on the harbour, with views of the fjord and Munkholmen. Its unisex wellness section, included in the ticket, has two traditional saunas (one at 70–80 °C where water may be thrown on the stove, one at 80–90 °C), a steam bath, an infrared sauna, a soft sauna, a caldarium, an ice shower and two tubs of 9.5 °C seawater drawn from 40 metres deep. Adult entry costs 215 kr at reception.
Husebybadet
Husebybadet is Trondheim municipality's public swimming hall at Saupstad, next to Kolstad Arena and Heimdal upper secondary school, with a 25-metre sports pool and a therapy pool. A sauna is located in the changing rooms and comes with a single ticket of 145 kr for adults. Public swimming runs on weekday afternoons and evenings and from 10:00 to 16:00 at weekends, with morning swims from 6:30 on weekdays.
Britannia Spa
Britannia Spa is the 1,400 m² spa of the Britannia Hotel in central Trondheim, with six treatment rooms, a 12.5-metre heated pool, saunas, a steam room, an ice bath, a mineral pool and an infrared cabin. Non-residents can buy entry for 695 kr on weekdays from 9:00 to 15:00 and on Sundays from 12:00 to 18:00, and a booked treatment includes spa access. Swimwear is the dress code.
3T-Lade
3T-Lade is a 3T gym on Haakon VII gate at Lade with a members' spa section: a warm spa pool, a sauna, a steam sauna and a cold plunge pool, all included in a 3T membership. The centre is staffed throughout opening hours, from 5:00 to 22:30 on weekdays, 8:00 to 21:00 on Saturdays and 8:00 to 22:30 on Sundays.
3T-Rosten
3T-Rosten in Tiller is the flagship of the local 3T chain, a gym of over 6,000 m² across four floors. Its spa area has a sauna, a tiled steam sauna, a hot tub and a cold plunge pool beside a 25-metre swimming pool, all free for members during opening hours without booking. It is open 365 days a year with staffed reception, from 5:00 to 22:30 on weekdays.