· Regional
Strenuous
Tour du Boulonnais
📏
120.7 km
Distance
⏱
30h 1min
Est. duration
⛰
Strenuous
Difficulty
🔄
Round walk
Route type
A 120.7 km Regional Hiking trail, Tour du Boulonnais takes walkers through a varied section of terrain.
This 120.7 km route is a major undertaking — excellent fitness, reliable navigation, and multi-day planning are required. End-to-end time is roughly 26 hours and 49 minutes.
Laid out as a circular walk, this trail finishes exactly where it begins — no need to arrange transport back or retrace your steps.
A Regional Walking Network (RWN) route, this trail weaves through the regional landscape connecting villages, viewpoints, and countryside.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
B
Finish
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Frequently Asked Questions
How far is it to walk Tour du Boulonnais?
Tour du Boulonnais covers a distance of 120.7 km.
How long does it take to walk Tour du Boulonnais?
At an average walking pace, Tour du Boulonnais takes approximately 30h 1min to complete.
Does Tour du Boulonnais return to the starting point?
Yes — Tour du Boulonnais loops back to the start. You can complete it without arranging a lift or return journey.
Where does Tour du Boulonnais start?
Tour du Boulonnais starts near coordinates 50.8873, 1.659.
How difficult is Tour du Boulonnais?
Tour du Boulonnais is a strenuous hike requiring excellent fitness and prior hiking experience.
Who maintains the Tour du Boulonnais trail?
Tour du Boulonnais is maintained and managed by FFRP.