From the parking lot you walk along a narrow path through the varied forest. Then you walk up a narrow, steep path to the Ancien observatoire Militaire. The walk continues on narrow paths along jagged rocks. You walk through the Grotte du Serment. Then you walk to Mont Aigu. There you have a view of the city of Fontainebleau. Then you walk downhill on paths. You walk back along a forest path to the parking lot.
Route "Fontainebleau: Rocher du Long Boyau - Mont Aigu" is recorded on 25th July 2023 and placed on 23rd December 2023. The route has been viewed 955 times.
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We have used publication ‘Sentier denecourt 8’ of Nicolas, published by Wikiloc in 2020, to develop this route.
You can view more photos of the walk in the photo album.
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