Barranco de los Cernícalos Nature · Telde, Gran Canaria - Área Metropolitana, Las Palmas Gorge that rises in the Caldera de los Marteles, at 1,500 meters of altitude, and descends to Tecén. It preserves one of the island's finest gallery forests of Canary willow (Salix canariensis). It forms part of the Los Marteles Special Nature Reserve, declared on 16 November 1994, which also extends across Valsequillo, Ingenio, Agüimes and the two Tirajana municipalities. 16 de noviembre de 1994 Photo: DJuan (CC BY 3.0) What to see and do in Telde