From Biel to Frinvillier you can hike through the breathtaking pigeon hole gorge. On the laid-out hiking trail, which leads past steep cliffs, you experience firsthand how the river rushes through the narrow gorge.
On this section of the route you can cross the Tubeloch Gorge, as it is popularly known. The crossing takes place along the motorway, on a separate pedestrian path. The …