The National Wildlife Refuge System provides a variety of geospatial web tools for researchers, cartographers, partners, recreational visitors and others who want to incorporate our authoritative data layers into their map products or spatial analyses. Each layer includes metadata describing its intended purpose and disclaimers.
Data Layers
Simplified National Realty Tracts
These boundaries are simplified from the U.S. Fish and Wildlife Service Real Estate Interest data layer containing polygons representing tracts of land (parcels) in which the Fish and Wildlife Service has a real estate interest.
Simplified National Realty Tracts
National Realty Tracts
This data layer depicts lands and waters administered by the U.S. Fish and Wildlife Service in North America, U.S. trust territories and possessions.
National Realty Boundaries
These boundaries represent the exterior boundary of lands and waters administered by the U.S. Fish and Wildlife Service.
National Wilderness Boundaries
This data layer depicts the Designated Wilderness, Proposed Wilderness and Wilderness Study Areas placed upon the lands and waters administered by the U.S. Fish and Wildlife Service in North America, U.S. trust territories and possessions.
National Wilderness Boundaries
National Acquisition Boundaries
This data layer depicts the external boundaries of lands and waters that are approved for acquisition by the U.S. Fish and Wildlife Service in North America, U.S. trust territories and possessions.
National Acquisition Boundaries
National Realty Centroids
This data layer depicts centroid points of National Wildlife Refuge System lands.
Marine Protected Areas
Provides a dataset of Marine Protected Areas (MPAs) within U.S. Fish and Wildlife Service national wildlife refuges.
Visitor Amenities
These data layers depict facilities, infrastructure and other physical assets on U.S. Fish and Wildlife Service lands.
