AT-6

On the road from Lekumberri to Uitzi, a cement track branches off to the left. Go up the track and, after a sharp right-hand bend, another track branches off to the left that descends to the first borda and ends at a second borda. Leave the vehicle there and, in front of the borda door, about 100 metres away at most, the entrance of the Mainea cavity (AT-5) opens, on the boundary of the meadow with a track and next to some trees. Continuing east across the meadow, about 30 metres away, the entrance of this cavity opens.