Freizeitbad Heveney sits on Lake Kemnade in Witten and combines a leisure pool with water slides and a separate nude sauna and brine area. It has ten saunas and a steam bath, among them a kelo sauna, a 100 °C earth sauna heated by an open fire, a mine-gallery sauna, an Aufguss lounge with infusions every half hour, a steam grotto, plus a 32 °C thermal brine pool, a cold plunge and a crushed-ice basin. Open 9:00–22:00 (Fri–Sat to 23:00, Sun to 21:00); a weekday sauna day ticket costs €24.
Medi Therme Bochum is a Mediterranean-style sauna and thermal spa beside the Ruhrpark with 16 saunas and steam rooms, including a Moorish hammam with a heated granite slab, a Himalayan salt grotto, a salt sauna, infrared and bio saunas, and stone-sauna Aufguss sessions every 15 minutes. Indoor and outdoor pools, plunge pools and a 10,000 m² garden complete it. The whole facility is used nude, and entry starts at age 14. A weekday day ticket costs €42.50; open from 11:00 daily.
Sahara Hamam is a traditional Turkish bath in central Dortmund with a heated marble navel stone, a sauna, a crystal-salt room with brine mist, a whirlpool and a rest room. Days are split by gender: women on Wednesday, Thursday and Sunday morning, men on Tuesday, Friday, Saturday and Sunday evening. Visits are booked by phone as packages, from €47.90 for three hours including a kese body scrub. On Mondays the bath is rented to private groups.
Saunalandschaft Wischlingen is the sauna area of the Solebad in Dortmund's Revierpark Wischlingen, spread over two floors and more than 12,000 m². It has 11 saunas plus an infrared cabin and a salt grotto: a wood-fired Kamin sauna, a Lappland kelo log sauna for about 100 people, herbal, salt and steam rooms, themed Aufguss sessions, plunge pools and a 34 °C garden pool. Sauna use is nude only. Open daily 9:00–22:30; a day ticket costs €23.50 on weekdays.
Hagen's Westfalenbad pairs a sports and leisure pool with a large nude sauna area. Its nine heat rooms include an island sauna in a natural swimming pond, a wood-fired earth sauna and kelo sauna, an Aufguss sauna with regular scented infusions, a projection sauna, a panorama sauna and a steam bath with a starry ceiling, plus a graduation tower, crushed ice and cold showers. Tuesday is women's sauna day. Sauna open 10:00–22:00, to 23:00 on Friday and Saturday; three hours cost €21.50 on weekdays.
Freizeitbad Heveney sits on Lake Kemnade in Witten and combines a leisure pool with water slides and a separate nude sauna and brine area. It has ten saunas and a steam bath, among them a kelo sauna, a 100 °C earth sauna heated by an open fire, a mine-gallery sauna, an Aufguss lounge with infusions every half hour, a steam grotto, plus a 32 °C thermal brine pool, a cold plunge and a crushed-ice basin. Open 9:00–22:00 (Fri–Sat to 23:00, Sun to 21:00); a weekday sauna day ticket costs €24.
Medi Therme Bochum is a Mediterranean-style sauna and thermal spa beside the Ruhrpark with 16 saunas and steam rooms, including a Moorish hammam with a heated granite slab, a Himalayan salt grotto, a salt sauna, infrared and bio saunas, and stone-sauna Aufguss sessions every 15 minutes. Indoor and outdoor pools, plunge pools and a 10,000 m² garden complete it. The whole facility is used nude, and entry starts at age 14. A weekday day ticket costs €42.50; open from 11:00 daily.
Sahara Hamam is a traditional Turkish bath in central Dortmund with a heated marble navel stone, a sauna, a crystal-salt room with brine mist, a whirlpool and a rest room. Days are split by gender: women on Wednesday, Thursday and Sunday morning, men on Tuesday, Friday, Saturday and Sunday evening. Visits are booked by phone as packages, from €47.90 for three hours including a kese body scrub. On Mondays the bath is rented to private groups.
Saunalandschaft Wischlingen is the sauna area of the Solebad in Dortmund's Revierpark Wischlingen, spread over two floors and more than 12,000 m². It has 11 saunas plus an infrared cabin and a salt grotto: a wood-fired Kamin sauna, a Lappland kelo log sauna for about 100 people, herbal, salt and steam rooms, themed Aufguss sessions, plunge pools and a 34 °C garden pool. Sauna use is nude only. Open daily 9:00–22:30; a day ticket costs €23.50 on weekdays.
Hagen's Westfalenbad pairs a sports and leisure pool with a large nude sauna area. Its nine heat rooms include an island sauna in a natural swimming pond, a wood-fired earth sauna and kelo sauna, an Aufguss sauna with regular scented infusions, a projection sauna, a panorama sauna and a steam bath with a starry ceiling, plus a graduation tower, crushed ice and cold showers. Tuesday is women's sauna day. Sauna open 10:00–22:00, to 23:00 on Friday and Saturday; three hours cost €21.50 on weekdays.