Le Landeron, as small as it is, really has a remarkable 'vielle ville' that you should definitely take in. During the 'Corona period' it seemed a bit strange, but still an experience.
A little steep climb to Jolimont, then practically flat over the ridge through lush forest. The way back through the vineyards can get very hot in summer.
The remains of the tower, which was once 30 meters high, stand out from the deep forest. The castle was probably built in the 12th century and has been rebuilt …