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Access: From the A-21 motorway (which runs from Pamplona towards Jaca), take exit 35, then follow signs for Lumbier (Note for those coming from the east: exit 39 is also signposted ‘Foz de Lumbier’, but it only leads to a viewpoint from which you can admire the gorge).
From exit 35, follow the signs for “Foces de Lumbier y Arbaiun”, then “Foz de Lumbier”. Once you’ve passed these signs, you’ll arrive at the “Foz de Lumbier” car park.
Signposting along the entire route: white and green.
(S/E) Leave the car park heading towards Foz de Lumbier.
(1) After two hundred metres, where the hills begin, take a path on the left (a wooden sign reads “sendero local / Herri bidea”). It follows the boundary between the plain and the hills, passes through a gate (don’t forget to close it behind you), then turns right and begins the ascent.
(2) The path joins a wide, vehicle-accessible track. Follow the signs for “Foz du Lumbier”. Five hundred metres further on, ignore a track branching off to the left (there is a ruined house just after this on the left). Three hundred metres further on, ignore another track branching off to the right and stay on the track which roughly follows a power line.
(3) The track reaches a T-junction. Turn right (towards “Foz du Lumbier”) and start the descent.
(4) The path joins another tarmac road. Turn right and continue down the slope.
(5) Shortly after a bend of almost 180°, take a steeply descending footpath (still heading towards “Foz du Lumbier”). Follow it until you reach a path that runs alongside the River Irati.
(6) This path is the Camino Aragonés, one of the routes to Santiago de Compostela. Follow it westwards.
(7) Enter the tunnel, then follow the path as it heads into the Foz. At the end of this, take a second tunnel.
(1) Return to the car park (S/E).
Visorando Member
Difficult 
Very difficult 
