Lagoas do Congro e dos Nenúfares
SMG 7
37º 45'22''N 25º 24'26''W
The Congro and Nenúfares lakes occupy a maar-type explosion crater associated with a hydromagmatic eruption on the “Achada das Furnas” plateau, controlled by NW-SE fractures. The crater, 500 m diameter and 120 m deep, is imprinted in the flat surrounding area, and was formed about 3,900 years ago.
