{"id":"nps-jomu","slug":"john-muir-national-historic-site","name":"John Muir 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":"JOMU","designation":"National Historic Site","sourceId":"nps-jomu"}],"states":["CA"],"stateNames":["California"],"location":{"lat":37.9828422,"lon":-122.1326097},"bbox":[-122.1397,37.9736,-122.1229,37.9925],"acres":{"value":381,"kind":"gis-estimate","source":"Computed from the simplified boundary","note":"Approximate. The managing agency publishes official acreage."},"firstProtected":null,"established":null,"administrations":[],"designationHistory":[],"summary":"John Muir’s life was a tapestry of roles—fruit rancher, family man, writer—each interwoven with his deep love for nature. As one of America’s most influential naturalists, Muir was more than just an observer of the wilderness; he was its fiercest advocate. His passion for the land drove him to protect the places he held dear, ensuring that future generations could experience their beauty.","summarySource":"National Park Service","guide":{},"trConnection":null,"trConnections":[],"trTypes":[],"links":{"official":"https://www.nps.gov/jomu/index.htm","social":{},"recreationGov":null,"alltrails":null,"alltrailsExplore":"https://www.alltrails.com/explore?b_tl_lat=37.9925&b_tl_lng=-122.1397&b_br_lat=37.9736&b_br_lng=-122.1229","recreationGovSearch":"https://www.recreation.gov/search?q=John%20Muir%20National%20Historic%20Site","directions":"http://www.nps.gov/jomu/planyourvisit/directions.htm"},"images":[{"url":"https://www.nps.gov/common/uploads/structured_data/36F1F1AD-A1DF-6E92-9B5D30285665C780.jpg","title":"John Muir Home at the John Muir National Historic Site","alt":"White two story house capped by a bell tower and ringed with palm trees","caption":"John Muir Home at the John Muir National Historic Site","credit":"NPS Photo","source":"NPS"},{"url":"https://www.nps.gov/common/uploads/structured_data/F7F8B4FB-0333-BE92-58C6A8113FA7D70E.jpg","title":"John Muir National Historic Site","alt":"A old copper sprayer sits against a tree-line background.","caption":"Historic Copper Sprayer.","credit":"NPS photo, Luther Bailey","source":"NPS"},{"url":"https://www.nps.gov/common/uploads/structured_data/F80280BB-E7D5-E067-00A105D97A26603F.jpg","title":"Mount Wanda","alt":"A natural foot path winds its way through hills and trees.","caption":"Mount Wanda walking trail.","credit":"NPS photo, Luther Bailey","source":"NPS"},{"url":"https://www.nps.gov/common/uploads/structured_data/F80B41C9-CA24-ACF0-AE090EA8794AA1E5.jpg","title":"John Muir National Historic Site","alt":"A tall wooden windmill and a small white shed surrounded by trees.","caption":"The old windmill.","credit":"NPS photo, Luther Bailey","source":"NPS"},{"url":"https://www.nps.gov/common/uploads/structured_data/F8158989-E30C-A590-71F620A96879B472.jpg","title":"John Muir National Historic Site","alt":"Old books, a writing pen and inkwell, and paper sit on John Muir's original desk.","caption":"John Muir's desk in the \"Scribble Den\".","credit":"NPS photo, Luther Bailey","source":"NPS"}],"activities":["Guided Tours","Self-Guided Tours - Walking","Hiking","Junior Ranger Program","Wildlife Watching","Park Film","Museum Exhibits"],"topics":["Architecture and Building","Explorers and Expeditions","Immigration","Natural Sounds","Scenic Views","Trails","Watersheds"],"fees":[],"passes":[],"hours":[{"name":"John Muir National Historic Site","description":"The main park site and visitor center are open Tuesday through Saturday from 10:00 A.M. to 5:00 P.M. We are closed on Sunday and Monday.","standardHours":{"wednesday":"10:00AM - 5:00PM","monday":"Closed","thursday":"10:00AM - 5:00PM","sunday":"Closed","tuesday":"10:00AM - 5:00PM","friday":"10:00AM - 5:00PM","saturday":"10:00AM - 5:00PM"},"exceptions":[{"name":"Thanksgiving","start":"2026-11-26","end":"2026-11-26","hours":{"wednesday":"Closed","monday":"Closed","thursday":"Closed","sunday":"Closed","tuesday":"Closed","friday":"Closed","saturday":"Closed"}},{"name":"Christmas Day","start":"2026-12-25","end":"2026-12-25","hours":{"wednesday":"Closed","monday":"Closed","thursday":"Closed","sunday":"Closed","tuesday":"Closed","friday":"Closed","saturday":"Closed"}},{"name":"New Years Day","start":"2027-01-01","end":"2027-01-01","hours":{"wednesday":"Closed","monday":"Closed","thursday":"Closed","sunday":"Closed","tuesday":"Closed","friday":"Closed","saturday":"Closed"}}]}],"directions":"Please visit our main website for specific directions to our park. You may call the John Muir Visitor Center for additional information.","weatherInfo":"The Mediterranean climate of Martinez features hot, dry summers with lower temperatures near 60º F and upper temperatures near 100º F. The heat gives way to cool, rainy winters with lows near 45º F and highs near 75º F. Fall and spring can bring rain and temperatures from 55-80º F. March to April: wet/dry, 60-80º F May to September: very dry, 60-100º+ F October to November: dry/wet, 55-80º F December to February: wet, 45-75º F","contacts":{"phone":"9252288860","email":"jomu_general_info@nps.gov"},"visitorCenters":[{"name":"John Muir National Historic Site Visitor Center","description":"Main visitor center for the John Muir National Historic Site in Martinez, California.","url":"https://www.nps.gov/jomu/planyourvisit/directions.htm","lat":37.99217049931682,"lon":-122.13101258726056}],"campgrounds":[],"thingsToDo":[],"nearby":[{"slug":"port-chicago-naval-magazine-national-memorial","km":12},{"slug":"eugene-oneill-national-historic-site","km":20},{"slug":"rosie-the-riveter-wwii-home-front-national-historical-park","km":22},{"slug":"san-pablo-bay-national-wildlife-refuge","km":28},{"slug":"marin-islands-national-wildlife-refuge","km":29},{"slug":"antioch-dunes-national-wildlife-refuge","km":30}],"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=jomu"},{"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":"2026-11-09T02:12:45.615Z","alerts":[{"source":"NPS","kind":"Information","title":"Martinez Adobe","text":"The Martinez Adobe, located on the western edge of John Muir’s historic orchard, is currently closed due to structural damage. It is unknown when the public will be able to enter the structure. The Muir/Strentzel mansion remains open to visitors.","url":null,"updated":"2024-01-09 09:51:49.0","id":"nps-C4FE5229-6D25-4DC7-9C40-7DC0759B9D04"}],"url":"https://directory.labs.trlibrary.com/sites/john-muir-national-historic-site/","boundaryUrl":"https://directory.labs.trlibrary.com/boundaries/john-muir-national-historic-site.geojson"}