{ const t = document.getElementById('trace-toast'); if (!t) return; t.querySelector('.toast-msg').textContent = $event.detail.msg; t.classList.add('show', $event.detail.type === 'danger' ? 'bg-danger' : ($event.detail.type === 'warning' ? 'bg-warning' : 'bg-dark'), 'text-white'); setTimeout(() => t.classList.remove('show'), 3500); })()">
Directions to trailhead
GPX downloaded! Open this trail in Isomaps for offline GPS navigation and topo maps.
No ads, no selling of your data. European mapping, privacy respected.
This route in your pocket: offline maps, guidance and safety alerts.
Distance104.03 km
Elevation gain4663 m
Elevation loss6123 m
Estimated time29 h 40 min
Altitude maximum2157 m
Altitude minimum561 m
TypeOut & back
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
104.03 km loop hiking starting from Oberalp Pass.
This hike includes 18 significant climbs. With a total elevation gain of 2001 m across 16.51 km, with an average slope of 12.1%.
- Climb 1 (at km 1.19 km): +104 m over 971 m, average slope 10.7%
- Climb 2 (at km 3.80 km): +34 m over 367 m, average slope 9.3%
- Climb 3 (at km 7.94 km): +134 m over 883 m, average slope 15.2%
- Climb 4 (at km 11.45 km): +61 m over 432 m, average slope 14.1%
- Climb 5 (at km 20.62 km): +36 m over 415 m, average slope 8.7%
- Climb 6 (at km 31.94 km): +96 m over 1.46 km, average slope 6.6%
- Climb 7 (at km 35.53 km): +131 m over 901 m, average slope 14.5%
- Climb 8 (at km 39.60 km): +214 m over 1.17 km, average slope 18.3%
- Climb 9 (at km 46.41 km): +267 m over 2.15 km, average slope 12.4%
- Climb 10 (at km 50.85 km): +111 m over 889 m, average slope 12.5%
- Climb 11 (at km 54.94 km): +87 m over 861 m, average slope 10.1%
- Climb 12 (at km 57.05 km): +77 m over 869 m, average slope 8.9%
- Climb 13 (at km 60.51 km): +227 m over 1.54 km, average slope 14.7%
- Climb 14 (at km 69.40 km): +177 m over 1.59 km, average slope 11.1%
- Climb 15 (at km 80.73 km): +33 m over 645 m, average slope 5.1%
- Climb 16 (at km 86.48 km): +50 m over 298 m, average slope 16.8%
- Climb 17 (at km 90.26 km): +68 m over 450 m, average slope 15.1%
- Climb 18 (at km 97.05 km): +94 m over 624 m, average slope 15.1%
isomaps
Scan to open this route in the app
This route in your pocket: offline maps, guidance and safety alerts.
-
Share photos of your trails
Help the community discover what each route really looks like.
-
No ads, no third-party trackers
Privacy-first analytics, hosted in France. Your data stays yours.
-
Truly free — no hidden premium
Topo maps, GPX, offline use included. No premium paywall.
-
A real app, not just a website
iOS + Android with offline topo maps and live GPS navigation.
French independent team — GDPR-native