{"id":"usfs-pf-{798CA8E3-CD80-43B7-AA08-DEB734F33597}","slug":"san-isabel-national-forest","name":"San Isabel National Forest","designation":"National Forest","category":"national-forest","categoryLabel":"National Forest","agency":{"code":"USFS","name":"USDA Forest Service","department":"U.S. Department of Agriculture","url":"https://www.fs.usda.gov"},"managedBy":[{"code":"USFS","name":"USDA Forest Service","department":"U.S. Department of Agriculture","url":"https://www.fs.usda.gov","unitCode":"{798CA8E3-CD80-43B7-AA08-DEB734F33597}","designation":"National Forest","sourceId":"usfs-pf-{798CA8E3-CD80-43B7-AA08-DEB734F33597}"}],"states":["CO"],"stateNames":["Colorado"],"location":{"lat":38.716,"lon":-106.1278},"bbox":[-106.5998,37.2184,-104.8876,39.3837],"acres":{"value":1224404,"kind":"gis","source":"USFS proclaimed national forest boundaries"},"firstProtected":null,"established":null,"administrations":[],"designationHistory":[],"summary":null,"summarySource":null,"guide":{},"trConnection":null,"trConnections":[{"id":"ppl-f-san-isabel","type":"protected","label":"Protected by T.R.","date":null,"then":"San Isabel National Forest","thenKind":"forest reserve","text":"As President, Theodore Roosevelt proclaimed or enlarged the reserve that became it.","note":"Roosevelt first protected land in this forest in 1902.","sources":[{"url":"https://www.govinfo.gov/app/details/GOVPUB-A13-PURL-gpo38052","name":"govinfo.gov"},{"name":"Roosevelt’s Public Lands","url":"https://publiclands.labs.trlibrary.com/#place=f-san-isabel"}],"dataset":"publiclands","reviewed":true},{"id":"ea-proc-467","type":"executive-action","label":"Traces to a T.R. proclamation or order","date":"1902-04-11","document":"Proclamation 467","title":"Establishing the San Isabel Forest Reserve","relation":"began with this document","text":"Proclamation 467 (1902-04-11): “Establishing the San Isabel Forest Reserve.” Today’s site began with this document.","note":"Administered with the Pike as the Pike-San Isabel since 1975; the two remain legally separate forests.","sources":[{"name":"Proclamation 467 in Theodore Roosevelt’s Executive Orders and Proclamations","url":"https://executiveactions.labs.trlibrary.com/document.html?id=proc-467"},{"name":"research entry"}],"dataset":"executiveactions","reviewed":true},{"id":"ea-proc-572","type":"executive-action","label":"Traces to a T.R. proclamation or order","date":"1905-06-12","document":"Proclamation 572","title":"Establishing the Wet Mountains Forest Reserve, Colorado","relation":"absorbed into it","text":"Proclamation 572 (1905-06-12): “Establishing the Wet Mountains Forest Reserve, Colorado.” Today’s site absorbed into it.","note":null,"sources":[{"name":"Proclamation 572 in Theodore Roosevelt’s Executive Orders and Proclamations","url":"https://executiveactions.labs.trlibrary.com/document.html?id=proc-572"},{"name":"Lovacono, Establishment and Modification of National Forest Boundaries (USFS, 1959)"}],"dataset":"executiveactions","reviewed":true}],"trTypes":["protected","executive-action"],"links":{"official":null,"social":{},"recreationGov":null,"alltrails":null,"alltrailsExplore":"https://www.alltrails.com/explore?b_tl_lat=39.3837&b_tl_lng=-106.5998&b_br_lat=37.2184&b_br_lng=-104.8876","recreationGovSearch":"https://www.recreation.gov/search?q=San%20Isabel%20National%20Forest","directions":"https://www.google.com/maps/dir/?api=1&destination=38.716,-106.1278"},"images":[],"activities":[],"topics":[],"fees":[],"passes":[],"hours":[],"directions":null,"weatherInfo":null,"contacts":null,"visitorCenters":[],"campgrounds":[],"thingsToDo":[],"nearby":[{"slug":"gunnison-national-forest","km":72},{"slug":"florissant-fossil-beds-national-monument","km":77},{"slug":"pike-national-forest","km":78},{"slug":"camp-hale-continental-divide-national-monument","km":81},{"slug":"white-river-national-forest","km":92},{"slug":"baca-national-wildlife-refuge","km":99}],"hasBoundary":true,"boundarySource":{"name":"USFS proclaimed national forest boundaries","url":"https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_ProclaimedForestBoundaries_01/MapServer/0"},"sources":[{"name":"USFS proclaimed national forest boundaries","url":"https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_ProclaimedForestBoundaries_01/MapServer/0"}],"editorialStatus":"draft","synced":"2026-11-09T02:13:18.603Z","alerts":[{"source":"NIFC","kind":"Wildfire","severity":"Moderate","title":"Willow Fire: 7,359 acres, 92% contained","text":"An active wildfire perimeter overlaps this site. Check the managing agency for closures before you go.","url":"https://www.nifc.gov/fire-information/nfn","updated":"2026-09-16T20:22:36.000Z","id":"fire-2026-COPSF-001153"},{"source":"NIFC","kind":"Wildfire","severity":"Moderate","title":"Aspen Acres Fire: 102,007 acres, 96% contained","text":"An active wildfire perimeter overlaps this site. Check the managing agency for closures before you go.","url":"https://www.nifc.gov/fire-information/nfn","updated":"2026-08-10T14:04:00.000Z","id":"fire-2026-COCUX-001160"}],"url":"https://directory.labs.trlibrary.com/sites/san-isabel-national-forest/","boundaryUrl":"https://directory.labs.trlibrary.com/boundaries/san-isabel-national-forest.geojson"}