Free admission from 9am to sunset. During the Second World War, the maquisards found shelter in the forest of the Double, which covers an area of 600km². A memorial was inaugurated in 2018. In the open-air part, large panels tell the story of the major events on this side of the demarcation line. Inside, four short films are shown, including interviews with former Resistance fighters about how they arrived in the maquis and life in the woods.