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Diemtigtal Nature Park

A working farming valley south of Lake Thun, protected as a regional park for its wooden houses and alp economy.

Updated 30 August 2026

WhereBernese Oberland
Nearest cityOey-Diemtigen at the valley mouth; Spiez about 15 km
Best seasonMay to October; also a quiet ski area in winter
Time to allowA day
Getting thereRail to Oey-Diemtigen, then postbus up the valley
EntryFree

The Diemtigtal is a regional nature park rather than a wilderness reserve, and the distinction matters: the protection here is of a landscape that is still farmed, with around a hundred and eighty alps grazed each summer and a stock of Simmental farmhouses that includes some of the most elaborately carved timber building in the country. The Grosses Lohner and the Spillgerten stand at the head. Walking is the main activity, on paths between alp dairies where cheese is made through the summer and sold at the door. In winter the Grimmialp and Wiriehorn have small ski areas that never became resorts. The valley is quiet in a way the Jungfrau side of the region no longer is.

What's there

  • Carved Simmental farmhouses - among the finest timber building in Switzerland.
  • About 180 grazed alps - a farming landscape, not a wilderness.
  • Alp dairies selling at the door - cheese made through the summer.
  • Small ski areas - Grimmialp and Wiriehorn, never developed into resorts.

When to go

May to October for walking and the alp season. A day.

What to expect

There are no headline sights here - the appeal is the ordinary working valley, which does not suit everyone. Postbus service up the side valleys is infrequent. Alp dairies keep farm hours. Accommodation is limited.

Nearby

Spiez and Lake Thun are north; the Simmental runs west.

What to pack for Diemtigtal Nature Park

Chosen from what this place is for. Tap a kit for the full checklist.

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Layers + a waterproof shell - Mountain weather turns fast; a packable rain jacket saves the day. Find on Amazon
  • Daypack with rain cover - 20-30 litres holds water, snacks, layers and a first-aid kit. Find on Amazon
  • Offline maps + a power bank - Download the trail before you lose signal; carry backup charge. Find on Amazon

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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