Eskamelo, Pena Artesilla, Recilla (curved) The Toloño (Basque: Toloño mendilerroa; Spanish: Sierra del Toloño), also known as the Sierra de Cantabria, is a mountain range in the province of Álava in the Basque Country in northern Spain.
The Basque official name is Toloñoko mendilerroa, while in Spanish it is Sierra del Toloño. In Spanish, Sierra de Cantabria can be used too as a name, but the Instituto Geografico Nacional (Spanish National Geographic Institute) changed the official name in 2018.