About the Refuge Touring, Hiking & Wildlife Observation Hunting and Fishing Regulations [PDF] Trails....       • Big Slough Recreation Area (Auto Tour)       • Big Slough Trail (Walking Tour) Maps....       • Area map (USFSW)       • Road map, annotated       • Road map (Google)       • USGS topo map (Topozone)       • Trail map (USFWS) [PDF] Aerial photos....       • Wikimapia       • Terraserver       • Texmaps USFWS website

The Brazoria National Wildlife Refuge, located on 43,388 acres of the upper Texas Gulf Coast in Brazoria County, protects a fragile environment containing a diversity of wildlife.   Established in 1966, the refuge provides habitat for wintering migratory waterfowl and other bird life.