Sponge Rock – Poem to Denecourt loop from Fontainebleau - Avon
Sponge Rock – Poem to Denecourt loop from Fontainebleau - Avon
4.6
(46)
247
hikers
03:41
13.5km
210m
Hiking
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: March 19, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Réserve de biosphère de Fontainebleau et du Gâtinais
Waypoints
Start point
Train Station
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1.48 km
Highlight • Other
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1.98 km
Highlight • Natural Monument
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2.00 km
Highlight • Other
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2.37 km
Highlight • Other
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2.81 km
Highlight • Other
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3.00 km
Highlight • Natural Monument
6.06 km
Highlight • Cave
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6.28 km
Highlight • Historical Site
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10.9 km
Trou de la Mort
Cave Entrance
13.5 km
End point
Train Station
Way Types & Surfaces
Way Types
7.15 km
5.42 km
633 m
183 m
Surfaces
5.78 km
4.96 km
1.63 km
932 m
< 100 m
< 100 m
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Elevation
Highest point (140 m)
Lowest point (70 m)
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Weather
Powered by Foreca
Friday 29 May
32°C
15°C
14 %
Additional weather tips
Max wind speed: 9.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.