St. Beatus Caves (St. Beatus-Höhlen), Switzerland

Illuminated limestone caves with waterfalls above Lake Thun near Interlaken: 1 km of paths, 8–10 °C inside, open all year; adults CHF 20.

St. Beatus Caves (St. Beatus-Höhlen), Switzerland

The St. Beatus Caves (St. Beatus-Höhlen) are one of the most impressive natural attractions in Switzerland, located above the shores of Lake Thun near Interlaken. Set dramatically into a cliffside, the caves are known for their spectacular entrance framed by waterfalls and panoramic views over the lake and surrounding mountains.

According to legend, the caves are named after Saint Beatus, an Irish monk who is said to have lived here and driven out a dragon. Today, the site combines natural beauty with cultural history, making it a popular destination for both tourists and locals.

What to See and Experience

Inside the caves, visitors can explore around 1 kilometer of illuminated pathways, part of a cave system explored for some 14 kilometers, passing through grottos filled with stalactites, stalagmites, waterfalls and underground streams. The formations have developed over millions of years, creating intricate shapes and textures enhanced by subtle lighting. Informational displays along the route explain the geology and history of the caves. The walk takes about an hour, and the temperature inside stays at 8–10 °C all year, so bring a jacket.

In addition to the cave system, the site includes a cave museum, a restaurant with a terrace overlooking the lake, a playground with a dragon slide and well-maintained walking paths through the surrounding area. The visit is suitable for most travelers, though comfortable shoes are recommended due to wet and sometimes uneven surfaces.

Prices and How to Get There

Admission costs CHF 20 for adults and CHF 12 for children aged 6–16, and a family ticket is CHF 52; the cave museum is included. The caves are open daily all year: in the 2026 summer season (28 March – 8 November) from 9:00 to 18:00, until 21:00 on Fridays and Saturdays, with shorter hours in winter.

The caves are easily accessible from nearby towns. From Interlaken, visitors can take a bus (line 21) toward Thun and get off at the “Beatushöhlen” stop, followed by a short uphill walk (about 10–15 minutes). Alternatively, it is possible to arrive by boat on Lake Thun, stopping at Beatushöhlen and walking up to the entrance. For those traveling by car, parking is available near the site, though spaces can be limited during peak tourist season.

Weather in location: St. Beatus Caves (St. Beatus-Höhlen), Switzerland

10° Partly cloudy, feels 8°
  • Today 9°…15°
  • Wind 5 km/h SE
  • No precipitation now
Thu 7°…12°
Fri 3°…8°
Sat 2°…10°

Forecast data: MET Norway

Average by month

Jan -2°…4° 14 days 17 days
Feb -1°…7° 15 days 13 days
Mar 1°…10° 16 days 15 days
Apr 3°…13° 15 days 15 days
May 7°…16° 12 days 19 days
Jun 12°…21° 12 days 18 days
Jul 14°…23° 14 days 17 days
Aug 14°…23° 15 days 16 days
Sep 11°…18° 16 days 14 days
Oct 7°…15° 17 days 14 days
Nov 2°…9° 16 days 14 days
Dec 0°…6° 16 days 14 days

Monthly averages and dry days (no measurable rain) from ERA5, last 10 years.

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