Roadless Areas Explorer

2,332Areas Mapped

17,101Species

1073Endangered

40States

49.0MAcres

992Badges

Explore America's Wild Roadless Areas

Browse by State

AL (5)AK (150)AZ (78)AR (15)CA (381)CO (17)FL (9)GA (23)ID (20)IL (6)IN (1)KY (1)LA (2)ME (1)MI (6)MN (16)MS (1)MO (5)MT (235)NV (315)NH (15)NM (121)NC (38)ND (22)OK (2)OR (212)PA (7)PR (2)-- (1)SC (6)SD (8)TN (18)TX (4)UT (222)VT (6)VA (64)WA (139)WV (26)WI (16)WY (116)

Featured Areas

Engelmann Spruce Subalpine Fir Forest

0401002

Ashley National Forest · UT · 36,113 acres

Rocky Mountain Subalpine Upper Montane Forest & Woodland

0401005

Ashley National Forest · UT · 38,930 acres

0401012

Ashley National Forest · UT · 46,400 acres

Rocky Mountain Aspen Forest And Woodland

Rocky Mountain Lodgepole Pine Forest

Rocky Mountain Montane Dry Mesic Mixed Conifer Forest And Woodland

Rocky Mountain Subalpine Dry Mesic Spruce Fir Forest And Woodland

Rocky Mountain Subalpine Montane Mesic Meadow

0419020

Ashley National Forest · UT · 355,684 acres

Aspen Birch Forest

09011 - Flynn Lake Study Area

Chequamegon-Nicolet National Forest · WI · 5,951 acres

Northern Conifer Hardwood Forest

09012 - Round Lake Study Area

Chequamegon-Nicolet National Forest · WI · 3,707 acres

Threats to Roadless Areas

Road construction is the enabling condition for most of the major threats imperiled species and ecosystems face on National Forest lands.

Roads & Ground Disturbance Logging & Timber Harvest Invasive Species Fire Regime Alteration Sedimentation & Water Quality Extractive Industries — Mining & Energy Grazing & Ranching Aquatic Passage & Hydrological Connectivity Earth Disturbance & Slope Stability Climate Change & Refugia Function

Endangered Species (1073) Threatened Species (341) Ecosystems (344) National Map