Trummelbach IV
not verifiedpermit unconfirmed 2026-08-19
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's Red Tape section is empty and its infobox carries no Permits field, so access here is unverified rather than confirmed free. Often combined with Trummelbach III in the same outing. |
|---|---|
| Technical | longest 131.234 ft |
| Coordinates | 46.5657, 7.9455 |