{ 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.
Distance77.08 km
Elevation gain3712 m
Elevation loss3392 m
Estimated time23 h 20 min
Altitude maximum1574 m
Altitude minimum359 m
TypeLoop
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
77.08 km loop hiking starting from Saint-Julien.
This hike includes 12 significant climbs. With a total elevation gain of 2434 m across 25.37 km, with an average slope of 9.6%.
- Climb 1 (at km 4.31 km): +72 m over 1.39 km, average slope 5.2%
- Climb 2 (at km 8.73 km): +43 m over 2.30 km, average slope 1.9%
- Climb 3 (at km 19.81 km): +153 m over 2.18 km, average slope 7.0%
- Climb 4 (at km 23.04 km): +105 m over 1.25 km, average slope 8.4%
- Climb 5 (at km 28.34 km): +231 m over 2.47 km, average slope 9.4%
- Climb 6 (at km 31.40 km): +42 m over 320 m, average slope 13.1%
- Climb 7 (at km 33.28 km): +38 m over 353 m, average slope 10.8%
- Climb 8 (at km 35.65 km): +112 m over 1.26 km, average slope 8.9%
- Climb 9 (at km 42.51 km): +166 m over 1.68 km, average slope 9.9%
- Climb 10 (at km 56.66 km): +1011 m over 7.33 km, average slope 13.8%
- Climb 11 (at km 68.00 km): +202 m over 2.33 km, average slope 8.7%
- Climb 12 (at km 73.11 km): +259 m over 2.52 km, average slope 10.3%
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