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3,608 parks
Sam D. Hamilton Noxubee National Wildlife Refuge
Mississippi
Established in 1940, Noxubee National Wildlife Refuge is located in three counties (Noxubee, Oktibbeha, and Wi…
Sam Houston National Forest
Texas
The closest national forest to the Houston metropolitan area, Sam Houston National Forest covers 163,037 acres…
Sam Rayburn Reservoir
Louisiana
A 114,000-acre lake in the Big Thicket country of Texas, with native flora including orchids, insect-eating pl…
Samoa Dunes
Oregon
Samoa Dunes Recreation AreaWelcome to Samoa Dunes Recreation Area. As a visitor to this 300-acre area, you can…
Samuel R. McKelvie National Forest
Nebraska
Located in the heart of Nebraska's Sandhills, the largest grass-stabilized sand dune formation in the Western …
San Andres National Wildlife Refuge
New Mexico
San Andres National Wildlife Refuge was established by President Franklin D. Roosevelt under Executive Order 8…
San Antonio Missions National Historical Park
Texas
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas…
San Antonio Missions National Historical Park
Texas
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas…
San Antonio Wilderness Study Area
New Mexico
The San Antonio WSA is located in northern New Mexico. A flat plain at about 8,400 feet in elevation contains …
San Bernard National Wildlife Refuge
Louisiana
Established in 1968, San Bernard National Wildlife Refuge is a diverse refuge that protects salt marsh and sal…
San Bernardino National Forest
California
Rising dramatically from the Mojave Desert and the Inland Empire urban corridor, San Bernardino National Fores…
San Bernardino National Wildlife Refuge
Arizona
The 2,369-acre refuge lies along the international border with Mexico in southeast Arizona's Cochise County. I…
San Diego National Wildlife Refuge
California
San Diego National Wildlife Refuge is not only a haven for wildlife but also a natural retreat for nearby comm…
San Francisco Bay National Estuarine Research Reserve
California
The San Francisco Bay National Estuarine Research Reserve comprises two components located along the salinity …
San Francisco Maritime National Historical Park
California
Located in the Fisherman's Wharf neighborhood, San Francisco Maritime National Historical Park offers visitors…
San Francisco Maritime National Historical Park
California
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on…
San Gorgonio Wilderness
Nevada
Overview This wilderness is part of the eastern slope of the San Bernardino Mountains with topography rapidly…
San Joaquin River Gorge Special Recreation Management Area
California
The San Joaquin River Gorge SRMA is located at the upper portion of Millerton Lake and is accessed through the…
San Joaquin River Gorge Special Recreation Management Area
California
NOTICE: Between February 2nd to February 12th, high water flows and potential flow fluctuations are expected i…
San Joaquin River Gorge Visitor Center
California
Visitor Center The Visitor Center is open every Friday through Sunday from 10am to 2pm. Come to the Visitor…
San Joaquin River National Wildlife Refuge
California
The San Joaquin River National Wildlife Refuge located in Stanislaus County encompasses more than 7,300 acres …
San Juan Island National Historical Park
Washington
San Juan Island is well known for its splendid vistas, saltwater shores, quiet woodlands, orca whales and one …
San Juan Island National Historical Park
Washington
San Juan Island is well known for splendid vistas, saltwater shore, quiet woodlands, orca whales and one of th…
San Juan National Forest
Colorado