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Access to the car park is via the road leading up to Chamrousse from Saint-Martin d'Uriage. A few hundred metres after the Auberge des Seiglières, look out for a forest road that branches off to the left of the road. Be careful, as it is easy to miss this road, which is located at the end of a bend. Once on the forest road, park immediately, as you have arrived at the start of the walk.
(S/E) Start by following the forest road for a few hundred metres.
(1) At the fork, continue to the left.
(2) Continue along the wide path that climbs up to the right, and you will begin the ascent towards the Cascade de l'Oursière waterfall.
(3) After climbing a few hundred metres, you will arrive at the foot of the Cascade de l'Oursière waterfall. Continue along the path that climbs to your right.
(4) A few minutes later, you will arrive at the Oursière plateau where you will find an intersection.
This is where the circular begins: turn left towards the Refuge de la Pra, and you will return via the path on the right. After crossing the Oursière plateau and reaching the Pra lakes plateau, follow the Doménon torrent for a few dozen metres.
(5) The path branches off to the left on the other side of the stream. Do not follow it, but instead turn right, where small cairns mark a more or less obvious trail that climbs towards Lac Bernard.
(6) A few metres further on, the trail may not be very visible, but continue climbing to your right. Do not follow the tracks that lead you towards the stream below. You will arrive at Lac Bernard.
(7) Continue climbing towards Lac Longet.
(8) You are now at Lac Longet, which you will follow north-east towards Lac Claret.
(9) Once at Lac Claret, continue towards the Refuge de la Pra.
(10) After about 200 metres, you will come to a sign indicating the Refuge de la Pra, which is just opposite you at the end of the plateau. Turn right towards the east across the field until you reach the path that climbs to Lac David.
(11) Shortly afterwards, you will find the path that climbs to Lac David. Follow it across the scree.
(12) A few dozen metres after joining the Lac David trail, be sure to stay to the right on the trail that crosses the scree horizontally. If you take a trail that climbs to the left, you will be heading towards Grande Lauzière. A few minutes after crossing the scree, you will arrive at Lac David.
(13) To return, follow the path you came on, which continues above the lake towards the south.
You will climb a few dozen metres more and then, after a few minutes, you will begin the descent. Follow this path for a good while (1½-2 hours) to reach Clot des Vernes.
(14) At the first intersection, continue left, heading south.
(15) At the second intersection, turn right, heading north. The sign points to L'Oursière.
(4) You are now back at L'Oursière, at the start of the circular.
All you have to do now is retrace your steps back to the car park (S/E).
Lac Claret
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