There are several multipitch routes around Erstfeld. Today we are heading for Zwatzli. Approach is through the quarry Mattli. Follow the pink markings. Start is at N46.82198°, E8.6376351°. 7 pitches 5c, marked with red points.
The belaystation are equipped for abseil, with a chance that the rope might get stuck. Otherwise, head up the slope. Further up there are red points on trees, which guides you to the hiking trail.