At Thorens Glières, follow the Plateau des Glières road and park in the large car park at the Col des Glières.
(S/E) Head north-west into the mountain pasture onthe PR® (signposted Champ Laitier), which leads to the woods at the ridge. Descend into these woods (signposted withPR® signs: green background with yellow stripes on the trees). A steep descent will take you to the entrance to the mountain pasture.
(1) Cross the Nant des Brassests stream via the footbridge. Continue opposite towards the Chalet du Plan. Then take the track on the right that leads to the two chalets of Grand Soquet (ONF chalet and private chalet).
(2) Stay on this track heading north-east to reach the Col de l'Ebat.
(3) Here you have two options:
- turn left to reach the summit of Roche Parnal after a tricky passage. Continue along the ridge to Col du Freu, then take thesecond path on the right to reach the crossroads at the edge of Ruisseau de la Fontaine Froide,
- stay on the path on the right, which is the route shown on the map, and continue almost horizontally to reach the crossroads at the edge of the Fontaine Froide stream.
(4) Then descend towards the Tinnaz chalets, which are clearly visible, heading steadily east.
(5) Join thePR® at the chalets that leads to the Col de Spée (signposts). Then descend via the place called Creux des Sarrazins and follow a good path to reach the Refuge de Spée.
(6). Continue the descent along the track serving this refuge, passing the Outan chalets. Then head south-west and take the wide track lined with power lines to reach Fréchet.
(7) Continue in this direction to reach La Mandolière.
(8) From here, take the wide track that leads to the car park (S/E).
