Bocca di Furmicula is located below Monte Formicula (1981 m) in the 12th stage of the GR 20 trail between Refuge de Prati and Refuge d'Usciolu.
The photo was taken in September 2006, it is licensed under a Creative Commons License and is copyrighted by Martin Naroznik. See more Martin's photos in his GR20 photo set on Flickr.