Cascadas de La Hueta y Laguna de Orcera Nature · Orcera, Sierra de Segura, Jaén Image of Orcera, not of the place itself. The Morles river forms three waterfalls next to the hamlet of La Hueta; the Laguna de Orcera is an endorheic lake formation at 1,270 metres that depends solely on rainfall and can dry up entirely. Photo: Jesustorre (CC BY-SA 4.0) What to see and do in Orcera