The Guadalcacín reservoir (also called Guadalcacín II 1 ) is located in the province of Cádiz ( Spain ) and is the largest in the province. It belongs to the Guadalete-Barbate Hydrographic Demarcation , 2 and its capacity is approximately 800 hm³ . 3 It covers lands in the municipalities of San José del Valle , Jerez de la Frontera , and Algar .
