San Juan National Historic Site

San Juan National Historic Site includes forts San Cristóbal, San Felipe del Morro, and San Juan de la Cruz also called El Cañuelo, plus bastions, powder houses, and three fourths of the city wall. All these defensive fortifications surround the old, colonial portion of San Juan, Puerto Rico. El Cañuelo Fort is located at Isla de Cabras at the western end of the entrance to San Juan Bay.