Home Trails
Hiking
Europe
Belgium
Wallonie
GR 121 De Liège à la Côte d'Opale Parcours principal (ongoing correction)
GPX downloaded! Open this trail in Isomaps for offline GPS navigation and topo maps.
×
This route in your pocket: offline maps, guidance and safety alerts.
Open in app
Distance 164.74 km
Elevation gain 2514 m
Elevation loss 2494 m
Estimated time 43 h
Altitude maximum 206 m
Altitude minimum 33 m
Type Loop
Difficulty Very hard
Weather forecast
5-day MeteoBlue forecast at the trail start — free with an account.
Create free account
About this trail
164.74 km loop hiking starting from Brussels.
This hike includes 1 significant climbs. With a total elevation gain of 1060 m across 38.56 km, with an average slope of 2.8%.
Climb 1 (at km 131.58 km): +1060 m over 38.56 km, average slope 2.8%
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.
