This region roughly coincides with the Brazilian municipality of São Gabriel da Cachoeira and parts of Japurá, and shares international borders with the Venezuelan state of Amazonas (to the northeast), and the Colombian departments of Guainía (to north), Vaupés (to west) and Amazonas (to southwest).
Cachorro López | A famous landscape of Cabeça do Cachorro: The ''Bela Adormecida'' ("Sleeping Beauty") ridge near São Gabriel da Cachoeira |