A solid 4 hour walk of about 16km to the very pretty village of Le Barroux, where apparently Prince Charles has stayed at the chateau.
Start by walking from the house towards the village and take the first right, the narrow Chemin de Pibelon. Continue up bearing left at the junction to join the Chemin de Roquefiguier. Turn right and follow this small road until you meet the busier Route de Caromb. Turn left. Follow the main road for about 150 yards and then turn left up the smaller Chemin des Vignaux Nord. There is a yellow mark on the post. (You will be following these yellow dashes – usually with red dashes as well – all the way round; a yellow or yellow/red cross obviously means don’t go that way). Keep straight on this tarred road, across two crossroads (follow the yellow markers) until the Chemin des Bernardins. Turn left and then, quite soon after, turn right on to the Chemin de Bel Air. Follow this road all the way to the way post at Les Aplanats.
Take the track to La Loubière and at the way post turn left for Le Pontillard. Climb this track north and turn right when you reach a T junction with a slightly broader path, the GR de Pays Tour des Dentelles de Montmirail. This is a marked route going all the way round the Dentelles; it sounds like a motorway but, in parts, it is just a track (yellow and red markers). Follow this to the way post at Le Pontillard and there take the path signposted Le Barroux. You will come to a spot where various paths converge beside a tarmac road. Keep on, bearing right (follow the markers) and you will be on a broad path going gently downhill until you come to the way post Pié Laugier. Take the rather rough and quite narrow path to Château du Barroux; the Château itself soon comes into view on the right but you have a way to go following this track down into the valley – where there is a small reservoir – and up the other side. You will pass two further way posts, Falque Pié Laugier and Falque Ecluse down by the reservoir; continue as signposted by both to Château du Barroux. This is the only slightly difficult part of the walk but soon you are in the outskirts of the village. Visit the Château, have a beer and when you want to leave find the road to La Roque Alric; there is a way post. Follow this north and then west.
After about 2 kilometres you will come to the crest of a hill with a small stone shelter and a picnic table on the left with great views back to Le Barroux. Cross the road here and leave the tarmac to go on to a dirt road (yellow/red markers) through the vines. Follow this track all the way down and then up again into the small village of La Roque-Alric, about 1km. There is a way post at the top of the village, Serre de Saint-Michel. You want the route to Les Esplanades but, rather than follow the road round, you can walk down through the village and then rejoin the road at the bottom. Follow this road down for a couple of hundred yards and at the Les Esplanades way post, on a sharp bend with excellent views up to the village, take the dirt track off to the left signposted Beaumes de Venise.
Follow this track all the way back, passing the way post La Galinière (Nord) – take the route to La Galinière (Sud) and there take the take the right hand path to Beaumes de Venise. Continue on the path to Beaumes de Venise and you will meet a tarred road at the imposing Rocher de Rocalinaud. Turn right and follow the road into the village, passing the way post Les Moulins en route.