La Charca y la Fuente de la Reja Nature · Pegalajar, Sierra Mágina, Jaén Image of Pegalajar, not of the place itself. The spring of Fuente de la Reja feeds the historic irrigation system and the La Charca pool, renovated between 1944 and 1949. 1944-1949 Photo: Juan Fernández (CC BY-SA 2.0) What to see and do in Pegalajar