Fairly flat along the river to Les Tines, and back on the other side
1 - 2
FATMAP difficulty grade
Run to the Bois du Bouchet and past the Heli DZ to Les Bois (short-cut possible here - go straight to Les Praz).
Next, cross the main road and the river at Les Tines, and run through Paradis et Les Praz back to Chamonix.