U.S. Fish & Wildlife ServiceThis data layer depicts the Designated Wilderness and Proposed Wilderness placed upon the lands and waters administered by the U.S. Fish and Wildlife Service (USFWS) in North America, U.S. Trust Territories and Possessions. Only the U.S. Congress can designate Wilderness. The Service establishes Proposed Wilderness administratively. The primary source for this information is the USFWS Wilderness program. Data can also be downloaded from ServCat, the FWS Catalog. Go to this link for downloadable cadastral data: https://iris.fws.gov/APPS/ServCat/Reference/Profile/180954 Sync is enabled, but editing is disabled. POC for these data are: cdwg@fws.govArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/31c41fcca6d34d3fa9924de38651a317_0engU.S. Fish and Wildlife Service Open DataPublicFWS National Wilderness Boundaries [United States]Web servicesUnited StatesLast Modified: 2025-04-14