Le Donjon

Le Donjon is a challenging bouldering route located in the Nainville area. With a difficulty grade of "FB6a+", this route presents climbers with a traverse that requires strength and technique. As the 20th route of the Black circuit, it offers a unique and demanding climbing experience. The route's topo image provides climbers with a visual guide of the general climbing direction, allowing them to navigate the route more effectively. Le Donjon is a must-try for experienced climbers looking for a tough and rewarding challenge.