Access: to reach the starting point, pass through the village of La Bâthie on the D990, near the N90 interchange, south of the town of Tours-en-Savoie. Take the D65 and climb up to the hamlet of Le Daru, passing through the hamlets of La Coutaz, Le Fugier, Montesseaux, Lachat and Le Mondon. At Le Daru, turn sharply left and continue along a mountain road. Pass by the ruined chalets of Montagne des Prés. At the next hairpin bend (elevation 1496), leave the road (which turns right) and take a left onto a track towards Soplat des Nants. At a fork (elevation 1484), keep left. Stop at the junction with the next track on the left (car park; sign indicating Le Bognion and Les Enverts).
(S/E) Head south-southeast and take the forest track downhill towards Le Bognion, pass the first bend and continue to the second.
(1) Follow the descending track (north) on the right-hand side. After about 350 m, you will reach a fork that is not shown on the map.
(2) Take the uphill track (not shown on the map) on the right. After about 200 m, the track gives way to a path. Reach the top of the first gully (torrent bed).
(3) Continue north-east along the path. Cross a second stream bed. Descend slightly to reach a crossroads.
(4) Turn right and climb up to reach the Refuge du Sopla des Nants.
(5) Continue along the track, which heads north-northeast and then climbs in hairpin bends. Continue along the track, which is fairly flat and heads southwest, to return to the starting point (S/E).