Start from the top station of the Fierney cable car (car park at the bottom station).
(S/E) Turn right (north-east) as you leave the upper station. Ignore a path coming from the right, then a turn-off to the left.
(1) At the T-junction, turn left towards the Col de Crozet. Follow the path heading west-south-west.
(2) Join a ski run and follow it to the right, uphill.
(3) After about 200 m, leave the ski run and take a path on the right. Continue uphill to the Col de Croze (orientation table).
(4) Head back down the same route to the Fierney cable car (S/E).