Paseo del Morro
Paseo del Morro, is a waterside, riprap-lined, and breakwater-protected pedestrian promenade about in length, located in the historic district of Old [San Juan] in Puerto Rico. Built in 1999 as an extension of an existing 18th-century maintenance walkway on the southwestern section of the wall located on the final stretch of Paseo de la Princesa, the promenade is a contemporary construction running adjacent and parallel to the western section of the Walls of Old San Juan, which originally stood directly exposed to the waters of San Juan Bay. It was designated a National Recreational Trail in 2001.
The promenade starts in Catedral, the southwestern Barrios of [San Juan, Puerto Rico|sub-barrio] in Old San Juan on San Juan Islet, at the ending location of Paseo de la Princesa, ''Puerta de San Juan, formerly known as Puerta de Agua, on the Walls of Old San Juan next to La Fortaleza, the 16th-century executive residence of the Governor of Puerto Rico, passes by the Bastión de San Agustín, Polvorín de Santa Elena, and Bastión de Santa Elena on the Walls of Old San Juan, and ends at the Castillo [San Felipe del Morro] in Ballajá, the northwestern sub-barrio in Old San Juan on the San Juan Islet, at Punta del Morro, the westernmost position on San Juan Islet overlooking the entrance to San Juan Bay and Isla de Cabras, the small islet immediately across the bay's entrance from El Morro'' where the 17th-century fort of El Cañuelo was built by the Spanish to further protect Old San Juan and its harbor from invasions by foreign powers and harassment by privateers and pirates during the Age of Discovery and Exploration.