Boucle des Grands Bois
Loop Walk
250
XP
about 1 h 22 min walking
800 m
717 m
634 m
Move along the chart to follow it on the map
Heights: Copernicus DEM GLO-30 © DLR e.V. 2010–2014 and © Airbus Defence and Space GmbH 2014–2018, provided under COPERNICUS by the European Union and ESA.
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Some very steep ground — marked on the map.
Climb
151 m
Drop
140 m
Highest
789 m
Lowest
638 m
Walking time
about 1 h 23 min
Which way round
Anticlockwise: Climbs 16% for 230 m early on, comes down 17% for 350 m early on.
Clockwise: Easy first 2.9 km, climbs 17% for 350 m near the end, comes down 16% for 230 m near the end.
Better clockwise: you climb the steeper side (0.5 km at 10%+, 0.3 km of it 15%+) and come down 0.2 km of steep ground. Steep descents are where people slip, and they're harder on knees late in a walk.
Main climb: km 2.9–4.5, from 642 m to 781 m.
How the 5.7 km splits
Flat
1.6 km
Climbing
1.5 km
Steep climbing (10–15%)
0.2 km
Very steep climbing (15%+)
0.4 km
Descending
1.9 km
Very steep descending (15%+)
0.2 km