In Tanus, follow the signs for the Viaur Viaduct. Head towards Laval; do not turn right at the sign for the hiking trails. Before Laval, at a bend, you will find the start of the route on your right, marked by a sign indicating the Chemin des Planques. You can leave your car opposite without causing any obstruction, but there isn’t much space; otherwise, find a space as you head towards Laval, the nearby hamlet.
(S/E) At the ‘Route du Vieux Tanus’ sign, take this path which descends towards the Viaur. It is a very good, shaded path.
(1) Once you reach the Viaur, you’ll find a fork on your left which is the way back. A sign points you towards the Viaur Viaduct, 400 m away. So carry on in that direction, due east, and follow the yellow markers. Pass under the Viaur Viaduct and continue in the same direction. The markers are few and far between but are still there. This is an old path, wilder and less well-travelled. You will soon cross two small streams; take great care not to slip. Continue along the Viaur.
(2) After the 319 mark, the path turns right then left to exit the woods. At the junction, take the path on the left. You’ll pass a small ruined house on your left. Stop just above the bridge spanning the Viaur – there are no safety barriers, so please be careful. The first part of your walk is now complete. The hamlet of Labastide is not far away.
(3) Turn back to return to a junction on the way out.
(1) Then carry on straight ahead towards Vieux Tanus. Head towards Laval and walk through a fairly open stretch, half fields, half woodland, until you reach the next junction.
(4) You’ll find two signposts. One points to Laval and the other to the Sentier de Las Planques. Carry on straight ahead along the Sentier de Las Planques. Take care, as this path initially runs alongside private property and, whilst not difficult, is quite narrow. It passes in front of the small jetty at the upper mill and leads to the Tanus bridge, where the second part of the walk practically ends.
(5) Turn back to return to the previous junction.
(4) Turn right towards Laval. After about 80 m, take the grassy path on your left, which leads to the starting point after about 200 m (S/E).