You can reach the Col du Joly (1989 m):
1) From Les Saisies over Hauteluce by car
2) From Les Contamines. Use the cable cars of Le Signal and Monjoie. From the station, 20 mn walk to the collar.
Easy walk from the Col du Joly to the summit in 1 h 30. Gradient 500 m.
From the collar, take the path in NE direction, pass near a stone monument and near a lift. Follow the save direction to the arrival of the Tierces lift (wood hut). Then in bends to the crest an on the summit on the left over the airy ridge.
You can also follow the whole ridge from the collar to the summit (steeper)
The view from the summit is amazing : the Mont Blanc sits in the place of honour in the east, and the gap of the Megève side is impressive.