From France, take the A63 motorway to the Spanish border. Then follow the AP-8 motorway, taking exit 38 for Zarautz.
At the first roundabout, go straight on; at the second roundabout, turn right. Follow the signs for Parque Natural de Pagoeta.
Park in the Iturraran car park.
(S/E) Head towards the information centre through the botanical garden. Make your way to the farm.
(1) Go round it on the left and take the path leading down, marked in white, green and red. Continue straight on, following the parallel markings, until you reach the gate marking the exit from the botanical garden.
(2) Follow the path, making sure to close the gate behind you. When the red trail branches off to the left, carry on straight ahead along the path marked in white and green. You’ll reach the Manterola car park; head down to the right onto the GI-4164 road and follow it to the Agorregi Forge. Large metal signs indicate that you’re approaching it.
(3) After visiting the forge, cross the small bridge on the right and take the path leading uphill. Walk past the entrance gate to the botanical garden and continue along the path running alongside the garden’s fence. You’ll reach the second metal gate.
(4) Enter the garden on the right and follow the path to the car park (S/E).