{ 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.
Distance156.62 km
Elevation gain10839 m
Elevation loss10839 m
Estimated time51 h 20 min
Altitude maximum2678 m
Altitude minimum1025 m
TypeLoop
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
156.62 km loop hiking starting from L'Abbaye.
This hike includes 19 significant climbs. With a total elevation gain of 6426 m across 44.86 km, with an average slope of 14.3%.
- Climb 1 (at km 2.92 km): +536 m over 2.53 km, average slope 21.2%
- Climb 2 (at km 11.99 km): +167 m over 1.72 km, average slope 9.7%
- Climb 3 (at km 15.48 km): +253 m over 1.76 km, average slope 14.4%
- Climb 4 (at km 18.11 km): +130 m over 842 m, average slope 15.4%
- Climb 5 (at km 21.74 km): +215 m over 1.46 km, average slope 14.7%
- Climb 6 (at km 23.59 km): +172 m over 1.03 km, average slope 16.6%
- Climb 7 (at km 32.08 km): +680 m over 3.89 km, average slope 17.5%
- Climb 8 (at km 44.59 km): +102 m over 293 m, average slope 34.8%
- Climb 9 (at km 55.90 km): +34 m over 383 m, average slope 8.9%
- Climb 10 (at km 66.25 km): +877 m over 6.08 km, average slope 14.4%
- Climb 11 (at km 70.21 km): +175 m over 1.46 km, average slope 12.0%
- Climb 12 (at km 87.85 km): +967 m over 8.64 km, average slope 11.2%
- Climb 13 (at km 92.48 km): +125 m over 603 m, average slope 20.7%
- Climb 14 (at km 100.97 km): +551 m over 3.42 km, average slope 16.1%
- Climb 15 (at km 103.62 km): +89 m over 616 m, average slope 14.4%
- Climb 16 (at km 123.09 km): +650 m over 4.98 km, average slope 13.1%
- Climb 17 (at km 132.29 km): +102 m over 951 m, average slope 10.7%
- Climb 18 (at km 137.74 km): +167 m over 1.12 km, average slope 14.9%
- Climb 19 (at km 145.17 km): +434 m over 3.07 km, average slope 14.1%
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