Macizo del Gorbea en Zuia Nature · Zuia, Cuadrilla de Zuia, Álava Image of Zuia, not of the place itself. A large part of the Gorbea massif, including Mount Gorbea itself (1,482 m) and Berretín (1,226 m), extends within the municipal term of Zuia, which preserves beech forests in Berretín and Altube and oak groves in the Bayas river valley. Photo: Denys Vynokurov (CC BY 4.0) What to see and do in Zuia