{ 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.
Distance105.83 km
Elevation gain1695 m
Elevation loss1695 m
Estimated time28 h
Altitude maximum428 m
Altitude minimum200 m
TypeLoop
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
105.83 km loop hiking starting from Chaumergy.
This hike includes 11 significant climbs. With a total elevation gain of 877 m across 17.65 km, with an average slope of 5.0%.
- Climb 1 (at km 39.31 km): +46 m over 2.72 km, average slope 1.7%
- Climb 2 (at km 43.40 km): +62 m over 981 m, average slope 6.3%
- Climb 3 (at km 49.30 km): +53 m over 1.48 km, average slope 3.6%
- Climb 4 (at km 53.31 km): +76 m over 1.53 km, average slope 5.0%
- Climb 5 (at km 60.89 km): +118 m over 2.03 km, average slope 5.8%
- Climb 6 (at km 66.63 km): +77 m over 2.02 km, average slope 3.8%
- Climb 7 (at km 69.78 km): +106 m over 1.32 km, average slope 8.1%
- Climb 8 (at km 74.59 km): +154 m over 2.43 km, average slope 6.3%
- Climb 9 (at km 80.86 km): +101 m over 1.83 km, average slope 5.5%
- Climb 10 (at km 85.83 km): +48 m over 374 m, average slope 12.8%
- Climb 11 (at km 104.18 km): +36 m over 939 m, average slope 3.8%
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