The car park is near Urcuray church, on the street perpendicular to the D10.
(S/E) Follow the road south-east. At the first intersection, turn left, along a stream, until the road veers away from the stream and starts to climb.
(1) Leave the road to go through a metal gate on the right and follow a path that runs alongside the stream. After passing some ruins, continue along the path that climbs up into the valley.
In the forest, at the Y-junction, take the path on the right. Above a waterfall, a trail takes over.
After a gate, it continues to climb to the left or right of the stream, crossing a few muddy sections (water catchments), until it reaches an intersection in the middle of several water pipes.
(2) Ignore the paths to the left (ford) and right, and continue straight ahead on the path along the river. The forest gradually thins out. Continue to an electricity pylon, with a Y-junction.
(3) Take the grassy path opposite to finish climbing up the valley on a wide path that winds under the power line to the Col d'Iramalda.
(4) Ignore the road and take the path on the left. After 50 metres, at the barn, turn left again onto a wide dirt track that climbs up the western flank of Ursuya.
(5) Pass higher up, under a beautiful barn, and at a horizontal section (Pilotaxilo), turn right, leaving the main path for a dirt track that climbs to the summit along a ridge that is initially grassy, then stony, and then grassy again.
(6) At the junction with a wider grassy path, continue straight ahead, then turn right to reach the summit of Mount Ursuya.
(7) Continue the descent northwards along the ridge. Pass to the right of a small rocky outcrop and you will arrive near a pylon.
(8) Turn left onto a track and follow it to altitude 438, where you will find an old sheepfold, now converted into a dwelling.
(9) Turn right, then immediately left onto the path marked "Retour Urcuray". With a beautiful view of the Hasparren neighbourhoods, it goes around a dome. When the path opens onto a fern-covered meadow, keep to the rightmost track to descend steeply towards a grassy plateau. Climb back up for a moment between the gorse bushes, then reach a T-junction. Continue right on the wide path. At the four Basque houses, go 20 m to the right.
(10) Turn left onto the road that descends to the Gillamuren Borda farm. Turn right in front of the shed to descend onto a grassy path until you reach a Y-junction near a ruin.
(11) Take the path on the left to rejoin a tarmac road that descends to the road you took on the way there.
(1) Return opposite, via the same route you took on the way there, to the car park (S/E).