LidoSteam

Thermen Soesterberg

Opened on 3 August 2017 beside a birch wood at Soesterberg, with a wood-fired Maa sauna, a Sauna Theater that seats 180 for its infusion shows, and an unchlorinated swimming pond that drops to 0.4 °C in winter. The resort is textile-free except on Tuesdays, when swimwear is required everywhere.

WhatSpa bath, SoesterbergNetherlands
WhenOpen all yearIndoor relax pool and outdoor forest pool 32 °C all year; outdoor swimming pool 27 °C; a warm bath at 35 °C; natural swimming pond with no chlorine, up to 23 °C in summer and as low as 0.4 °C in winter
Hot roomsSaunas and steam cabins includedSauna Theatre 85 °C, Gauja steam cabin 45 °C, hay sauna 60 °C, Pirts sauna 80 °C, salt stone sauna 80 °C, pond sauna 75 °C, Finnish sauna 90 °C, crystal sauna 85 °C, panorama sauna 80 °C, saltarium 70 °C, steam cabin 50 °C, Good Conversation sauna 70 °C, rose sauna 65 to 70 °C, infrared sauna 60 to 65 °C, Maa sauna 110 °C, herbal sauna 80 °C
Getting there Car
CostEntree (09.00 tot 23.00) (entry, 09:00 to 23:00)€50As of Oct 2026
AccessBooking with a fixed arrival and departure time is required; phones only in the reception area; no photos or filmingTimed tickets12+

Getting in

Parking
Free parking on site; exit token handed out at check-out
Address
Frits Koolhovenweg 8, 3769 TR Soesterberg

Entry, hours and rules

Entry
  • Entree (09.00 tot 23.00) (entry, 09:00 to 23:00) (Published as 'v.a.' (from). Booking with a fixed arrival and departure time is required)€50
  • Entree ochtend (tot 14.00 uur) (morning entry, until 14:00) (Published as 'v.a.' (from))€37
  • Entree avond (vanaf 16.00 uur) (evening entry, from 16:00) (Published as 'v.a.' (from))€40
As of Oct 2026
Hours
  • Mon09:00-23:00
  • Tue09:00-23:00
  • Wed09:00-23:00
  • Thu09:00-23:00
  • Fri09:00-23:00
  • Sat09:00-23:00
  • Sun09:00-23:00
As of Oct 2026
Swimwear and rules
Textile-free: swimwear is not allowed except on swimwear days, which are every Tuesday, when swimwear is required all day in every sauna, bath and facility. Bathrobe required in the lounge, restaurant Hemels, on the terraces and in all rest rooms. Slippers required, but not inside the saunas. Phones only in the reception area; no photos or filming. Talking is allowed only in the Goed gesprek sauna.
As of Oct 2026
Children
12 and over. Ages 12 to 16 only with an adult; ID may be asked.
Tickets
Timed entry slots, book ahead
Facilities
Indoor poolOutdoor poolSaunaChanging roomsShowersLockersRestaurantParkingStep-free accessNaturist areaTowel hireSteam room

About Thermen Soesterberg

Five weeks after opening, on 11 September 2017, the resort hosted the World Championship of Aufguss, the sauna infusion ritual. In the Sauna Theater the infusion masters work in front of an LED wall more than 4.5 metres wide, with light and sound shows. A yurt made in Mongolia for Soesterberg has been a rest room since November 2018, and the Pirts sauna, the Gauja steam cabin and a hay sauna opened in June 2024. The indoor relax pool sits under a ceiling of twinkling star lights, and the operator says the bathing water comes from its own source and is treated with salt electrolysis, with no chlorine.

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