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All outdoor activities
Hiking, trail running, cycling, ski touring, snowshoeing.
French independent team — GDPR-native
Distance18.54 km
Elevation gain34 m
Elevation loss35 m
Estimated time4 h 40 min
Altitude maximum12 m
Altitude minimum-2 m
TypeLoop
DifficultyModerate
Weather forecast
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About this trail
18.54 km loop hiking starting from Brielle.
isomaps
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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
