Family

Water playground «Gwunderwasser» in Diemigtal

Covering a 1500 m² natural area including watercourses within the Diemigtal Nature Park, the «Gwunderwasser» water playground offers a play-based learning experience for young and old alike.

Children can have fun to their hearts’ content in the play area. There, they can divert and block streams before allowing the water to flow freely again. In the experimentation zone, there are plenty of mechanical water games that allow children to experiment with the precious water.

Travel comfortably by train to Oey-Diemtigen. From there, the Postbus takes you to Tiermatti, where you can reach the water playground after a 5-minute walk.

Availability Available on 15.05.2025

Mid-May to September (depending on temperature and weather)

Mon–Sun 08.00–19.00 hours

Subject to change without prior notice

Rates

We would be happy to accept a voluntary contribution towards the cost of maintaining the playground. This helps us to keep the «Gwunderwasser» water playground in a good, tidy and safe condition for visitors in the future. The donation point is located in the stone frog directly on site.

CHF 5.00 Adults
CHF 5.00 Children
CHF 30.00 Groups and schools

CHF 20.00 Rent water adventure rucksack

Prices in CHF incl. VAT / Prices and products subject to alteration

BLS suggestion

Water adventure rucksack for young adventurers

With a water adventure rucksack, young adventurers are ideally equipped for finding out more about life in and by the water. The rucksack contains information and activity materials for investigating the water and the creatures that live in it and for learning lots of interesting facts about the watery habitat. The adventure kit can be hired at the offices of the Diemtigtal Nature Park.

Explorer days and water adventure box for school groups

«Into the stream» and «Powerful water» – these are the titles of the programs for school classes and groups, supervised by experts. The exciting programmes must be booked in advance at the offices of the nature park. For those who want to do their own exploring, there’s a water adventure box you can hire.

Rest area

When it’s time for a rest or a gentle break, there is a rest area with wooden loungers, which provide a view of the entire playground.

Barbecue area

A barbecue area with a table and benches is also available. Washroom facilities can be found in the immediate vicinity of the water playground.

How to get there

From Bern you can reach Oey-Diemtigen station with the regional express train. You have a direct connection every hour without changing in Spiez. The Postbus from Oey-Diemtigen takes you directly to Tiermatti. From here, it’s a five-minute walk to the water playground.