{ 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 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.
-
All outdoor activities
Hiking, trail running, cycling, ski touring, snowshoeing.
French independent team — GDPR-native
Distance85.81 km
Elevation gain7349 m
Elevation loss7525 m
Estimated time30 h 10 min
Altitude maximum3010 m
Altitude minimum1367 m
TypeLoop
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
85.81 km loop hiking starting from Plateau D'Emparis.
This hike includes 16 significant climbs. With a total elevation gain of 4018 m across 20.75 km, with an average slope of 19.4%.
- Climb 1 (at km 10.13 km): +106 m over 724 m, average slope 14.6%
- Climb 2 (at km 14.64 km): +339 m over 1.53 km, average slope 22.2%
- Climb 3 (at km 19.19 km): +935 m over 3.79 km, average slope 24.7%
- Climb 4 (at km 27.91 km): +198 m over 1.30 km, average slope 15.2%
- Climb 5 (at km 31.21 km): +215 m over 1.08 km, average slope 19.9%
- Climb 6 (at km 35.75 km): +260 m over 1.82 km, average slope 14.3%
- Climb 7 (at km 39.18 km): +56 m over 416 m, average slope 13.5%
- Climb 8 (at km 40.56 km): +32 m over 554 m, average slope 5.8%
- Climb 9 (at km 41.86 km): +33 m over 254 m, average slope 13.0%
- Climb 10 (at km 49.32 km): +689 m over 3.02 km, average slope 22.8%
- Climb 11 (at km 56.53 km): +43 m over 185 m, average slope 23.3%
- Climb 12 (at km 60.84 km): +79 m over 408 m, average slope 19.4%
- Climb 13 (at km 66.05 km): +376 m over 1.92 km, average slope 19.6%
- Climb 14 (at km 69.94 km): +285 m over 1.30 km, average slope 21.9%
- Climb 15 (at km 76.36 km): +94 m over 630 m, average slope 14.9%
- Climb 16 (at km 85.06 km): +278 m over 1.83 km, average slope 15.2%