Trummelbach IV
verified
Ungraded
Unknown flood risk
Lauterbrunnen, BE
The longest of the Trummelbach system's numbered descents, 2.5km of canyon dropping 390m, with a 40m rappel as the biggest single drop.
Logistics
| Permit | Ropewiki 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 III in the same outing. |
|---|---|
| Technical | longest 131.234 ft |
| Coordinates | 46.5657, 7.9455 |