Cork oak groves of the Arnoia Nature · Arnoia, Ribeiro, Ourense Image of Arnoia, not of the place itself. The south of the municipality is covered by more than a thousand hectares of cork oak wood, one of the largest expanses of the species in Galicia, on the slopes falling towards the meeting of the River Arnoia with the Miño. Photo: Luis Miguel Bugallo Sánchez (User:Lmbuga) (CC BY-SA 3.0) What to see and do in Arnoia