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3,605 parks

Sierra Ladrones Wilderness Study Area
New Mexico
The Sierra Ladrones WSA is located in west-central New Mexico. It rises precipitously out of the Rio Grande Va…

Sierra National Forest
California
Spanning 1.3 million acres of the central Sierra Nevada between Yosemite and Kings Canyon national parks, Sier…
Sierra National Forest
California

Sierra Vista Trail
New Mexico
The Sierra Vista Trail is a 29-mile National Recreation Trail. It is a recreation trail along the western flan…

Signal Mountain Wilderness
Arizona
The 13,350-acre Signal Mountain Wilderness is in southwest Maricopa County, 18 miles northwest of Gila Bend an…

Siletz Bay National Wildlife Refuge
Oregon
Established in 1991 with a donation of 46 acres of tidal salt marsh, Siletz Bay National Wildlife Refuge was c…

Silt Mesa
Colorado
The Silt Mesa Extensive Recreation Management Area near Silt, Colorado is nestled below the Grand Hogback prov…

Silver Creek (North and South)
Idaho
Two adjacent sites on Silver Creek near Highway 93, downstream of the Nature Conservancy’s Silver Creek Preser…

Silver Island Mountains Backcountry Byway (BCB)
Idaho
The Silver Island Mountains Backcountry Byway is a 54 mile long loop around the Silver Island Mountains and th…

Silver Reef Mining District
Utah
Silver Reef Mining DistrictJohn Kemple arrived in Harrisburg in 1866, and boarded at the Orson Adams House for…

Silvio O. Conte National Fish and Wildlife Refuge
Massachusetts
Located within parts of four New England states: New Hampshire, Vermont, Massachusetts, and Connecticut, the S…

Simon Canyon Area of Critical Environmental Concern
New Mexico
Simon Canyon Area of Critical Environmental Concern (ACEC) is about 3,900 acres in size and is managed for sem…

Sinks Canyon
Wyoming
The scenic Sinks Canyon is located near Lander, Wyoming, in the southern Wind River Mountains. It provides a h…

Sitka National Historical Park
Washington
On an island amid towering spruce and hemlock, Sitka National Historical Park preserves the site of a battle b…

Sitka National Historical Park
Alaska
On an island amid towering spruce and hemlock, Sitka National Historical Park preserves the site of a battle b…

Siuslaw National Forest
Oregon
The only national forest in the continental United States with jurisdiction over ocean beaches, Siuslaw Nation…

Siuslaw River SRMA
Oregon
We are working towards adding this recreation site to recreation.gov for electronic payment options with the R…

Six Rivers National Forest
California
Named for six major rivers flowing through it -- the Smith, Klamath, Trinity, Mad, Van Duzen, and Eel -- Six R…
Six Rivers National Forest
Oregon

Skedaddle
Oregon
Skedaddle Wilderness Study Area (WSA)Discover the Skedaddle WSA and Explore Diverse Landscapes and Unique Geol…

Skiatook Lake
Oklahoma
Gentle rolling hills of Blackjack and Post Oak interspersed with Tall Grass Prairie surround beautiful Skiatoo…

Slade National Wildlife Refuge
North Dakota
Slade National Wildlife Refuge is located in south-central Kidder County, approximately 20 miles northeast of …

Slaughter Creek Wilderness
Nevada
The Slaughter Creek Wilderness now contains a total of 3,901 acres and is managed by the Bureau of Land Manage…

Sleeping Bear Dunes National Lakeshore
Michigan
Miles of sand beach, bluffs that tower 450’ above Lake Michigan, lush forests, clear inland lakes, unique flor…