Marchiennes State Forest – Bonnance marshes loop from Montigny-en-Ostrevent
Marchiennes State Forest – Bonnance marshes loop from Montigny-en-Ostrevent
5
riders
04:32
89.4km
240m
Gravel riding
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: May 12, 2026
Tips
Includes a movable bridge
Check opening times.
After 81.2 km for 19 m
Waypoints
Start point
Train Station
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12.9 km
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14.5 km
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18.0 km
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40.7 km
Bois de la Tassonnière
Forest
42.7 km
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52.9 km
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53.1 km
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54.0 km
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64.8 km
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77.2 km
Réserve naturelle des Annelles, Lains et Pont Pinnet
Nature Reserve
89.4 km
End point
Train Station
Way Types & Surfaces
Way Types
43.3 km
16.8 km
16.1 km
9.04 km
4.11 km
117 m
102 m
Surfaces
42.5 km
19.3 km
17.7 km
8.83 km
582 m
549 m
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Elevation
Highest point (70 m)
Lowest point (20 m)
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Weather
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Thursday 21 May
27°C
11°C
0 %
Additional weather tips
Max wind speed: 11.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.