Park at the large Granges d’Astau car park, which is the starting point for many hikes and therefore often fills up quite quickly.
(S/E) Take the GR®10 straight ahead, heading towards Lac d’Oô. The climb to this lake, which is very popular with walkers and families, is a gentle one through the forest. You’ll reach the lake and the Refuge d’Oô.
(1) Continue along the GR® which climbs to the left above the lake, towards the Col d’Espingo. The climb becomes steeper towards the end, where you leave the GR®, which veers off to the left, and carry on straight ahead to the pass. You’ll then discover the Cirque d’Espingo, surrounded by numerous 3,000-metre peaks, including the Pic des Spijeoles.
(2) Continue straight on towards the back of the cirque, keeping Lac d’Espingo on your right. The path descends slightly at first to Lac Saussat.
(3) Go round it to the west, then head back up towards the Coume de l’Abesque. You’ll reach a point a few metres before the path crosses the torrent via a footbridge.
(4) Take the path on the right and follow the cairns. This marks the start of the challenging part of the hike: the ascent of Pic des Spijeoles. From here to the summit, keep an eye out for the cairns marking the path. Start in the mountain pastures, then tackle a more challenging and physically demanding section through the scree. Climb gradually, skirting the Spijeoles to the left, until you reach a flat area containing a small, unnamed lake, upstream of Lac Glacé.
(5) Turn right and continue to follow the cairns, carrying on across the scree and then over the rocks, where you may occasionally need to use your hands to reach the summit ridge of Pic des Spijeoles via an exposed path that veers to the right at the very end. Take in the view of the region’s peaks from here.
(6) Descend carefully, using downclimbing techniques if necessary, to the junction by the unnamed lake.
(5) Continue along the same route as on the way up, but in the opposite direction, to reach the Granges d’Astau car park (S/E)