18.6 km | 23 km-effort
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Presentation
S8-04 Rocher Bizet
Walking
Very difficult
La Ferté-Alais,
Ile-de-France,
Essonne,
France
5h 8min
Yes
Sénart
Walking
Difficult
Montgeron,
Ile-de-France,
Essonne,
France
12.4 km | 13.9 km-effort
3h 9min
Yes
Samois
Walking
Difficult
Samois-sur-Seine,
Ile-de-France,
Seine-et-Marne,
France
13.6 km | 15.8 km-effort
4h 3min
Yes