located adjacent to the grounds of the Caribe Hilton Hotel. It was listed on the National Register of Historic Places on October 11, 1983. Unlike similar forts near Old San Juan, it is not part of San Juan National Historic Site. San Gerónimo is owned by the Institute of Puerto Rican Culture but is managed by the Hilton. Thanks to the work of volunteers, the fort is again open to the public and contains an exhibit of the history of San Juan. The "Polvorín de San Gerónimo", or gunpowder house, that was built in 1769 and supplied the fort with gunpowder, is now part of the Luis Muñoz Rivera Park nearby. As recent as the year 2006, attempts were being made by the Instituto de Cultura Puertorriqueña and the U.S. Army Corps of Engineers to build a breakwater to stop any further deterioration from irreparably damaging the centuries-old fort. Senate Vice President Orlando Parga has led efforts to modify some of the construction projects that would encroach on the fort or would hamper the Corps of Engineers' preservation and reconstruction efforts. In July 2007, the Fort was the scene of protests against the construction of a tourist project called Paseo Caribe that would block access to the fortification. Protesters argued that the public should have free access to it. The protest lasted about a week during which the protesters halted the construction projects by climbing onto the cranes. The Omnibus Public Land Management Act of 2009 directed the U.S. Secretary of the Interior to conduct a study to determine the suitability of including San Gerónimo as part of San Juan National Historic Site. After two decades closed to the public, in 2018 the "Asociación Amigos del Fortín de San Jerónimo" was created, a non-profit association that is responsible for the preservation and future reopening for the charity of the Puerto Rican people and tourists. Gallery See also Fuerte de San José References External links Instituto de Cultura Puertorriqueña (Spanish) Puerta de Tierra, San Juan - Fortín San Jerónimo (sic) (Spanish) Old San Juan, Puerto Rico Geronimo, Fortin de San Forts on the National Register of Historic Places Government buildings on the National Register of Historic Places in Puerto Rico National Register of Historic Places in San Juan, Puerto Rico Spanish Colonial architecture in Puerto Rico Historic district contributing properties in Puerto Rico 1791 establishments in New Spain 1790s establishments in