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The start of the walk is at the car park, opposite the bridge spanning the ‘Oiartzun Ibaia’ stream.
(S/E) Heading towards the mines, take the path leading uphill to the left, which joins the cycle path.
(1) Once you reach the cycle path, turn right and follow it uphill. Further on, near the small building on your left, you’ll see the Three Crowns opposite: the peaks of Irumugarrieta, Txurrumurru and Erroilbide. A few metres further on, you’ll reach the entrance to the Arditurri mines.
(2) Take the concrete ramp leading uphill on your left, then, after 20 metres, take the stony path leading uphill on your left. Keep to the path on the left until you reach the earth and wooden steps, eventually arriving at a retention basin. Carry on to the footbridge and cross through the woodland. Cross the stream. Stay on the main path and continue straight ahead until you reach the Arditurri stream.
(3) Take the path on the left. Walk through the forest and then continue along the stony path. At the next junction, turn right and follow the path until you cross a stream.
Carry on for about 500 metres and take the gully path leading down to the right (caution: tricky descent) to reach the ‘Unaileku’ clearing, where, further down, you can have a picnic or take a break on a lovely carpet of moss.
(4) Continue southwards to the next junction, then follow the white and yellow signposts (PR®®-GI1009) towards Sorotxo.
Cross the numerous streams until you reach the ridge separating Arluxe from Ezurmendi.
(5) Turn left. A few metres further on, you’ll see iron-rich rocks. Continue along the path, where you’ll frequently catch sight of San Sebastián Bay in the distance and the open-cast mines below. Join the GL3420 road.
(6) Take the path on the right, marked in white and yellow, towards Olaetxe. At the next junction, carry on straight ahead. At the following junction, keep to the right (marked in white and yellow).
(7) This section involves a tricky descent as the path is very stony and slippery. After passing through the undergrowth, rejoin the GL3420 road.
(8) The final part of the walk is along the road. Keep well to the right-hand verge (as visibility is very poor on the left-hand side for motorists). After 200 metres, take the road on the right, cross the bridge to reach the start car park (S/E).
Visorando Member
Very difficult 
Association / Club / Walk leader
Easy 
