Unterseen is located on Lake Thun, directly adjoining Interlaken at the foot of the imposing Eiger, Mönch & Jungfrau. The route begins on the River Aare and you pass wild vegetation on the river banks, green meadows and extensive fields. The path leads through sections of light forest and avenues of ancient trees, constantly accompanied by the nearby river and the mountain panorama on the horizon.

The view glides over the glistening waters to the mountain backdrop of the Bernese Oberland, completing picture-postcard perfection. You soon reach the medieval fortress ruins, a listed structure surrounded by greenery at the mouth of the River Aare on Lake Thun. The route continues across charming wooden walkways to the lake.

A long section of the route leads through the nature reserve of Neuhaus-Weissenau with its wealth of flora. The path ends at an enchanting lakeside park, the ideal spot to relax and enjoy the panorama once more. Those wishing to end the day with a fitting finale can take a round cruise on Lake Thun.