Lakes & boats

Unterseen shoreline trail and boat ride on Lake Thun

Enjoy a splendid day out with a walk along the shores of Lake Thun before returning to your starting point in comfort by boat.

From Interlaken, the varied shoreline trail takes you along the River Aare and by Lake Thun all the way to Neuhaus. Alongside beautiful nature, breath-taking scenery and the glistening water, you can also admire historic castle ruins along the way.

Walking trail / shoreline trail

Unterseen shoreline trail

From the Interlaken-West Train Station, the trail first takes you over the River Aare to Unterseen, from where a varied shoreline trail leads you alongside the Aare to Lake Thun. A long section of the shoreline trail takes you through a nature reserve.

From Neuhaus, you can continue your excursion by boat and return to Thun in comfort.

Key figures

Route Interlaken West–Unterseen, Neuhaus
Distance 4.9 km
Elevation difference 8 m
Walking time 1 hour 15 minutes
Difficulty level easy

Water birds

The Weissenau nature reserve offers an ideal habitat for numerous birds, with plenty of nesting sites and sufficient food sources. Along the way, you can watch the water birds from a wooden observation station, or take a rest on a bench with views of Lake Thun.

Weissenau castle ruins and viewing tower

The Weissenau castle ruins are the biggest and most well-preserved castle complex in the Bernese Oberland. They are located on a former island. The castle and adjacent harbour were built in the 13th century to control the trade in goods across the alpine passes. 71 steps lead up to the 14.5-metre-high viewing platform. From here, you can see the Aare, Lake Thun and, in the background, the Niesen mountains.

Boat timetable

For daily connections from Neuhaus (Unterseen) to Thun, see the online timetable.


Fares, Neuhaus (Unterseen)‒Thun

  • CHF 56.00 Adults
  • CHF 28.00 Half-Fare travelcard
  • CHF 34.00 Adults
  • CHF 17.00 Half-Fare travelcard


GA travelcard, Half-Fare travelcard, Junior travelcard and Children’s Co-travelcard are valid. Prices in CHF incl. VAT / Prices subject to alteration.

How to get there

Take the train to Interlaken West. The boat landing stage is located directly by the train station.

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