AtlasInterlaken

Inner Sandbach

verified Ungraded Unknown flood risk Grindelwald, BE

The compact little sibling to nearby Sandbach: warmer water, less depth, and the same narrow limestone slot for about four hours round trip.

Logistics

PermitRopewiki lists no red tape for this descent, but Swiss canyoning access is cantonal and this has not been confirmed with an official authority.
Time4 hr
Technicallongest 30m
Coordinates46.6081, 8.0192

Sources