The forest of Meudon is located in France on the territory of the municipalities of Chaville, Clamart, Sèvres, Meudon in Hauts-de-Seine and Vélizy and Viroflay in Yvelines. It is the closest national forest to Paris (3.5 km) [Quelle Wikipedia]
The being of the glove hole is a rather pleasant body of water which offers a nice loop to do. Since work has been carried out, the setting is much nicer!
The Carouge basin is the point of convergence of the Orge, Blutin, Salmouille and Boële. The basin was dug in the 1970s to extract materials for road construction, and also to manage the floods of the Orge.