{ 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.
Distance20.21 km
Elevation gain1296 m
Elevation loss1307 m
Estimated time6 h 10 min
Altitude maximum624 m
Altitude minimum297 m
TypeLoop
DifficultyVery hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
20.21 km loop hiking starting from Mongreno.
This hike includes 4 significant climbs. With a total elevation gain of 659 m across 5.46 km, with an average slope of 12.1%.
- Climb 1 (at km 3.62 km): +170 m over 1.57 km, average slope 10.8%
- Climb 2 (at km 9.24 km): +343 m over 2.66 km, average slope 12.9%
- Climb 3 (at km 15.23 km): +113 m over 772 m, average slope 14.6%
- Climb 4 (at km 17.88 km): +33 m over 457 m, average slope 7.2%
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