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St Beatus Caves

A lit river cave in the cliffs above Lake Thun, tied to a hermit who is said to have driven out a dragon.

Updated 12 October 2026

Typecave
WhereBernese Oberland
Nearest cityBeatenberg above; Interlaken about 10 km
Best seasonApril to October; closed in winter
Time to allowTwo hours
Getting thereBus or boat from Interlaken to Beatushohlen, then a climb to the entrance
EntryEntry fee; guided or self-guided on a fixed route

The caves run back about a kilometre into the cliff above the northern shore of Lake Thun, following an active underground stream, so the visit is a walk beside running water past flowstone, curtains, columns and small cascades, all lit and railed. The legend attached to them is specific: Beatus, an Irish missionary of the sixth century, is said to have lived here as a hermit after expelling a dragon from the cave, and his name is on the site, the village below and the lake steamer. A small museum covers cave research and the region's karst. The approach path from the road climbs steeply past a waterfall, which surprises people who expect a cave entrance at car level.

What's there

  • An active stream cave - the path following running water for about a kilometre.
  • Flowstone and columns - lit formations along the route.
  • The dragon legend - the sixth-century hermit said to have driven it out.
  • A steep approach - the climb from the road past a waterfall.

When to go

April to October. Two hours including the climb.

Things to know

Closed through winter. The cave is cool and damp and the floor is wet - proper shoes matter. The approach is a real climb, not a stroll. Photography inside is difficult without a tripod.

Nearby

Beatenberg and the Niederhorn are above; Interlaken is along the shore.

Key facts

Heritage statusclass B Swiss cultural property of regional significance
Location46.6846° N, 7.7823° E · map

Source: Wikidata, item Q664463, read on 18 October 2026.

What to pack for St Beatus Caves

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

  • Head torch + spare batteries - Hands-free light is essential; caves are truly dark. Find on Amazon
  • Grippy closed shoes - Cave floors are wet, muddy and slick with formations. Find on Amazon
  • A warm layer - Many caves sit near 10°C year-round, even in a hot country. Find on Amazon
  • Gloves - Protect your hands on rough rock and cold metal handrails. 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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