{"id":"nps-saju","slug":"san-juan-national-historic-site","name":"San Juan National Historic Site","designation":"National Historic Site","category":"historic-site","categoryLabel":"Historic Site and Historical Park","agency":{"code":"NPS","name":"National Park Service","department":"U.S. Department of the Interior","url":"https://www.nps.gov"},"managedBy":[{"code":"NPS","name":"National Park Service","department":"U.S. Department of the Interior","url":"https://www.nps.gov","unitCode":"SAJU","designation":"National Historic Site","sourceId":"nps-saju"}],"states":["PR"],"stateNames":["Puerto Rico"],"location":{"lat":18.46873857,"lon":-66.11848623},"bbox":[-66.1365,18.4636,-66.1069,18.4719],"acres":{"value":26,"kind":"gis-estimate","source":"Computed from the simplified boundary","note":"Approximate. The managing agency publishes official acreage."},"firstProtected":null,"established":null,"administrations":[],"designationHistory":[],"summary":"San Juan National Historic Site preserves stories of great ambition and aspirations. Countries fought for control of this tiny yet strategic island for centuries. Generations of soldiers have lived and worked within the forts. Visitors today are as inspired by these stories as they are by the beauty of the architecture and the ingenuity of design and engineering of this World Heritage Site.","summarySource":"National Park Service","guide":{},"trConnection":null,"trConnections":[],"trTypes":[],"links":{"official":"https://www.nps.gov/saju/index.htm","social":{},"recreationGov":null,"alltrails":null,"alltrailsExplore":"https://www.alltrails.com/explore?b_tl_lat=18.4719&b_tl_lng=-66.1365&b_br_lat=18.4636&b_br_lng=-66.1069","recreationGovSearch":"https://www.recreation.gov/search?q=San%20Juan%20National%20Historic%20Site","directions":"https://goo.gl/maps/Zdqe83YFksT1EzKd9"},"images":[{"url":"https://www.nps.gov/common/uploads/structured_data/3C7AF5C5-1DD8-B71B-0B40514DB1A21024.jpg","title":"Castillo San Felipe del Morro Aereal View","alt":"Castillo San Felipe del Morro Aereal View","caption":"Castillo San Felipe del Morro Aereal View","credit":"Courtesy: Aerofoto","source":"NPS"},{"url":"https://www.nps.gov/common/uploads/structured_data/3C7AF731-1DD8-B71B-0B4C8711756EF3FC.jpg","title":"Castillo San Cristobal Aereal View","alt":"Castillo San Cristobal Aereal View","caption":"Castillo San Cristobal Aereal View","credit":"Courtesy:  Aerofoto","source":"NPS"}],"activities":["Arts and Culture","Food","Picnicking","Guided Tours","Hiking","Junior Ranger Program","Wildlife Watching","Birdwatching","Shopping","Bookstore and Park Store"],"topics":["Architecture and Building","Engineering","Explorers and Expeditions","Forts","Hispanic American Heritage","Incarceration","Jails and Prisons","Immigration","Latino American Heritage","Maritime","Lighthouses","Military","Artillery","Religion and Spirituality","Churches","Wars and Conflicts","Spanish-American War"],"fees":[{"title":"Entrance - Per Person","cost":"10.00","description":"Valid for 24 hours, valid for both fortifications"}],"passes":[],"hours":[{"name":"San Juan National Historic Site","description":"San Juan National Historic Site is open year-round except for Thanksgiving Day, Christmas Day, and New Year's Day.","standardHours":{"wednesday":"9:00AM - 5:00PM","monday":"9:00AM - 5:00PM","thursday":"9:00AM - 5:00PM","sunday":"9:00AM - 5:00PM","tuesday":"9:00AM - 5:00PM","friday":"9:00AM - 5:00PM","saturday":"9:00AM - 5:00PM"},"exceptions":[{"name":"Closed on Thanksgiving Day","start":"2026-11-26","end":"2026-11-26","hours":{}},{"name":"Closed on Christmas Day","start":"2026-12-25","end":"2026-12-25","hours":{}},{"name":"Closed on New Year's Day","start":"2027-01-01","end":"2027-01-01","hours":{}}]}],"directions":"From Luis Muñoz Marín International Airport - Get on Expreso Román Baldorioty de Castro/PR-26 from Av. Aeropuerto - Merge onto Expreso Román Baldorioty de Castro/PR-26 - Follow Avenida Luis Muñoz Rivera to Calle Norzagaray, Old San Juan","weatherInfo":"Puerto Rico enjoys year round tropical climate. Winters are breeze and summers are mostly hot and humid. It rains all year long with a \"dry\" season in April. Temperatures range from 80's in the winter to 90's in the summer. The hurricane season starts in June and ends in November. On the longest day, June 22nd, the sun sets around 7 PM. On the shortest day, December 22nd, the sun sets around 4:30 PM.","contacts":{"phone":"7877296777","email":"saju_superintendent@nps.gov"},"visitorCenters":[{"name":"San Juan NHS Visitor Center","description":"Located at Castillo San Cristobal right before entrance to Old San Juan Visitor Center is closed during the pandemic.","url":"","lat":18.466557,"lon":-66.110949}],"campgrounds":[],"thingsToDo":[],"nearby":[{"slug":"el-yunque-national-forest","km":39},{"slug":"culebra-national-wildlife-refuge","km":87},{"slug":"vieques-national-wildlife-refuge","km":87},{"slug":"laguna-cartagena-national-wildlife-refuge","km":115},{"slug":"cabo-rojo-national-wildlife-refuge","km":126},{"slug":"buck-island-national-wildlife-refuge","km":131}],"hasBoundary":true,"boundarySource":{"name":"NPS Land Resources Division","url":"https://irma.nps.gov/DataStore/Reference/Profile/2224545"},"sources":[{"name":"NPS Data API","url":"https://developer.nps.gov/api/v1/parks?parkCode=saju"},{"name":"NPS Land Resources Division boundaries","url":"https://services1.arcgis.com/fBc8EJBxQRMcHlei/arcgis/rest/services/NPS_Land_Resources_Division_Boundary_and_Tract_Data_Service/FeatureServer/2"}],"editorialStatus":"draft","synced":"2026-11-09T02:12:45.622Z","alerts":[{"source":"NPS","kind":"Park Closure","title":"Temporary Closure of El Morro Dry Moat to Santa Elena Bastion","text":"The temporary closure of El Morro Dry Moat to Santa Elena Bastion is necessary to ensure public health and safety and security during the completion of the San Fernando Bastion cliff stabilization project.","url":null,"updated":"2026-10-02 00:00:00.0","id":"nps-074E072D-9F80-4536-B01A-A1E9599D1A72"},{"source":"NWS","kind":"Rip Current Statement","severity":"Moderate","title":"Rip Current Statement issued November 8 at 9:32PM AST until November 9 at 6:00PM AST by NWS San Juan PR","text":"* WHAT...High Rip Current Risk, life-threatening rip currents.\n\n* WHERE...North-facing beaches of Puerto Rico, including Culebra.\n\n* WHEN...Through Monday afternoon.\n\n* IMPACTS...Rip currents can sweep even the best swimmers away\nfrom shore into deeper water, where it becomes difficult to\nreturn to safety.\n\n* ADDITIONAL DETAILS...Lingering northerly swells generated by\ndistant surface low over the central Atlantic will support\nbreaking waves of 5 to 8 feet and a high risk of life-\nthreatening rip currents along the northern exposed beaches of\nPuerto Rico and Culebra.","instruction":"There is a high risk of rip currents.\n\nRip currents are powerful channels of water flowing quickly away\nfrom shore, which occur most often at low spots or breaks in the\nsandbar and in the vicinity of structures such as groins, jetties\nand piers. Heed the advice of lifeguards, beach patrol flags and\nsigns.\n\nIf you become caught in a rip current, yell for help. Remain\ncalm, do not exhaust yourself and stay afloat while waiting for\nhelp. If you have to swim out of a rip current, swim parallel to\nshore and back toward the beach when possible. Do not attempt to\nswim directly against a rip current a","url":"https://alerts.weather.gov/search?id=urn%3Aoid%3A2.49.0.1.840.0.935194f7c331b00f2b20dcdfe17a4d2f1217cb39.001.1","starts":"2026-11-08T21:32:00-04:00","ends":"2026-11-09T18:00:00-04:00","id":"nws-urn:oid:2.49.0.1.840.0.935194f7c331b00f2b20dcdfe17a4d2f1217cb39.001.1"}],"url":"https://directory.labs.trlibrary.com/sites/san-juan-national-historic-site/","boundaryUrl":"https://directory.labs.trlibrary.com/boundaries/san-juan-national-historic-site.geojson"}