Hit the "toutes directions" bypass from Oloron Sainte-Marie station then follow signs to Pau and the Jurançon vineyard. Follow signs to Lasseube (RD24) at the roundabout and follow the same drections at the second roundabout. Go through the village of Goès and straight on at the roundabout towards Estialescq then Lasseube. Follow signs to Gan when you get into Lasseube. Turn right just before the bridge towards the Bélair campsite. The start point sign is just after the campsite entrance.