Deep Water Soloing: Climbing on Lake Thun in the Bernese Oberland

If you think you can only do Deep Water Soloing on Mallorca, that's wrong. Also Sundlauenen on Lake Thun invites you to climb without rope. We introduce you to the spot and provide a packing list and valuable tips along the way.

A contribution by Remo Schläpfer for Transa Travel & Outdoor

Interlaken calls itself a Mecca of adrenaline. The village between Lake Thun and Lake Brienz in the Bernese Oberland makes the hearts of outdoor enthusiasts beat faster with its wide range of leisure activities. But not only classic sports such as climbing, paragliding, canyoning and mountaineering can be found around Interlaken. Anyone who would like to move on the rock without a belt and safety hooks will find a wonderful spot for deep water soloing at Sundlauenen.

Climbing without rope and safety points: Deep Water Soloing

At the Deep Water Soloing, DWS for short, is climbed on a wall on the bank of a body of water without a fuse. Who climbs the route or finished with his strength, who jumps into the cool water. The most well-known destination for this climbing discipline is the Spanish island Mallorca in the Mediterranean Sea. But even in Switzerland, purists can indulge in climbing over the water. At Sundlauenen, near the Beatus Caves tourist attraction, there is a rock bar offering exciting DWS trails. Everyone can find their project from 5c to 7c. Highly recommended is the route Laktator (7a). Details and topographic information are listed below.

As overhanging as here in Mallorca, the routes on Lake Thun are not. They are beautiful anyway!

That's what you need for a day deep water soloing action at Sundlauenen

For deep water soloing you need relatively little material. We recommend two pairs climbing Shoes take with you to let them alternately dry in the sun. Ideally, they are pure leather shoes. Of course, the magnesium must not be missing. We recommend a combination of liquid magnesium and normal Magnesium in powder form, To stow all the material it takes one waterproof bag. When properly rolled up, this also serves as a lifebuoy for emergencies. To get to the rock more or less comfortably - that is, dry - a rubber or paddle boat is recommended.

Pro tip: Magnesium bags can be sewn from old Ikea sacks and dry quickly. Alternatively, a thick layer liquid magnesium be rubbed on the arms, which then serves as a “magnesium reserve” while climbing.

material list

  1. Two pairs climbing Shoes
  2. liquid magnesium
  3. Magnesium (Block or powder)
  4. Waterproof bag
Vertical and technical climbing wait for climbers at Sundlauenen. (Picture Silvan Schüpbach)

Access, Topo and other useful information

Space: From the bus stop Pilgerweg follow the paved hiking trail to the Schiffländte am See (5 minutes). From there you paddle around 200 meters towards Thun along the rock face. From there it is best to paddle by rubber boat about 200m direction Thun to the rocks
Climbing Difficulty Ridge (French scale): 5c to 7c
Route length: 2 meter (cross gear) to 12 meter
orientation: south
Best season: midsummer
Starting point: Bus stop Pilgerweg
Top: A topo to the deep water soloing area Sundlauenen can be found on the Website slack-line.ch as well as in the Climbing guide Interlaken vertical of the publishing house Filidor

Coordinates of the rock bolt

Insider tip: climbing on Menorca

Menorca is virtually the little sister of Mallorca. While Mallorca is known to many as a sport climbing and DWS destination, hardly anyone knows the advantages of the neighboring island of Menorca. In the following article we introduce you to the Mediterranean island.

About Transa Travel & Outdoor

sex is the leading provider of travel, outdoor and mountaineering equipment in Switzerland and operates eight branches in Basel, Bern, Lucerne, St. Gallen, Winterthur and Zurich, the climbing shop in the climbing gym in Winterthur and Root and the online-shop!. Published on LACRUX Transa Travel & Outdoor at regular intervals exciting contributions to the topics of climbing and bouldering.

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Credits: Pictures Silvan Schüpbach, Topo Information Edition Filidor

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