Cerro Negro de Mayasquer is the youngest of a pair of twin volcanoes along the Ecuador-Colombia border. It is seen here from the Ecuadorian side on the south. The long ridge to the left of its summit is the rim of a horseshoe-shaped caldera that is breached to the NW.

Photo by Minard Hall, 1985 (Escuela Politécnica Nacional, Quito)

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Chiles-Cerro Negro