AtlasInterlaken

Trummelbach III

verified Ungraded Unknown flood risk Lauterbrunnen, BE

Part of the Trummelbach system, this limestone slot runs 800m and drops 240m, with a 20m rappel as its tallest single step.

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. Often combined with Trummelbach IV in the same outing.
Distance800m
Time3 hr
Technicallongest 20m
SeasonSep-Oct
Coordinates46.5685, 7.955

Sources