12km walk Paris-Mantes

Boinville-en-Mantois is a commune in the Yvelines department in north-central France.

Mantes-la-Jolie (French pronunciation: ​[mɑ̃t.la.ʒɔ.li], often informally called Mantes) is a commune based in the Yvelines department in the Île-de-France region in north-central France. It is located to the west of Paris, 48.4 km (30.1 mi) from the centre of the capital. Mantes-la-Jolie is a subprefecture of the department.

The medieval Collegiate Church of Our Lady of Mantes, (French: Collégiale Notre-Dame de Mantes-la-Jolie), is a large and historically important Catholic church constructed between c.1155 and 1350 in the small town of Mantes-la-Jolie, about 50 km (30 mi) west of Paris. Although not a cathedral it was built on a cathedral-like scale.

Jumeauville is a commune in the Yvelines department in the Île-de-France region in north-central France.