Roadless Areas

2,332 areas
Acidic Cove ForestChestnut Oak ForestHigh Elevation Grass BaldMontane CliffNorthern Red Oak ForestRich Cove Forest

Snowbird

Nantahala National Forest · NC · 8,489 acres
Engelmann Spruce  Subalpine Fir Forest

Snowcrest Mountain

Beaverhead-Deerlodge National Forest · MT · 97,649 acres
Great Basin Bristlecone Pine Woodland

Soldier Canyon

Inyo National Forest · CA · 40,589 acres
Alpine Meadow

South Beartooth Highway

Shoshone National Forest · WY · 105,570 acres
Mixed Grass Prairie

South Fork

Dakota Prairie Grasslands · SD · 7,653 acres
Alpine Tundra  Fell Fields

South Fork

Shoshone National Forest · WY · 64,903 acres
Montane Aspen And Willow Woodland

South Fork Quinn

Humboldt-Toiyabe National Forest · NV · 40,535 acres
Jeffrey Pine  Idaho Fescue Serpentine SavannaKlamath Siskiyou Lower Montane Serpentine Mixed Conifer WoodlandKlamath Siskiyou Lower Montane Serpentine Mixed Conifer WoodlandMediterranean California Serpentine FenPort Orford Cedar  Western Azalea Serpentine RiparianSiskiyou Serpentine Barrens

South Kalmiopsis

Siskiyou National Forests · OR · 104,477 acres
Boreal Forest And Wetland Ecosystems

South Kawishiwi River

Superior National Forest · MN · 136 acres
Estuarine Tidal Marsh

South Kupreanof

Tongass National Forest · AK · 216,816 acres
Acidic Cove ForestCanada Hemlock ForestChestnut Oak ForestMontane Oak Hickory ForestPine Oak Heath

South Mills River

Pisgah National Forest · NC · 8,588 acres
Great Basin Montane Aspen Forest And WoodlandGreat Basin Subalpine Limber Bristlecone Pine WoodlandGreat Basin Xeric Mixed Sagebrush ShrublandInter Mountain Basins Alpine Fell FieldInter Mountain Basins Mountain Mahogany Woodland And ShrublandRocky Mountain Subalpine Mesic Meadow

South Schell

Humboldt-Toiyabe National Forest · NV · 125,614 acres
Jeffrey Pine Forest

South Sierra

Inyo National Forest · CA · 41,853 acres
Central And Southern Appalachian Montane Oak Forest

Southern Massanutten

George Washington National Forest · VA · 11,985 acres
Acidic Cove Forest (Hemlock  Hardwood Type)

Spice Run

Monongahela National Forest · WV · 6,251 acres
Alpine Tundra

Spires

Tongass National Forest · AK · 533,746 acres
Inter Mountain Basins Big Sagebrush Steppe

Spread Creek - Gros Ventre River

Bridger-Teton National Forest · WY · 166,097 acres
Dolomite Glade

Spring Creek Rare II Study Area

Mark Twain National Forest · MO · 4,899 acres
Great Basin Montane Riparian Woodland And Shrubland

Stansbury Mountains

Wasatch-Cache National Forest · UT · 39,696 acres
Acidic Cove Forest

Stone Mountain

Cherokee National Forest · TN · 5,367 acres
Rocky Mountain Alpine Tundra

Storm Peak

San Juan NF · CO · 57,617 acres
Blue Grama  Buffalograss Shortgrass Prairie

Strom - Hanson

Dakota Prairie Grasslands · ND · 18,957 acres
Pinyon Juniper Woodland

Sunset

Apache-Sitgreaves National Forests · AZ · 28,948 acres
Dolomite Glade

Swan Creek Rare II Study Area

Mark Twain National Forest · MO · 7,310 acres