Regional Overview

Highlights of the Region

sunlit mountains with lake in foreground

From the famous red rocks of southern Utah to the rugged sawtooth mountains to the stark beauty of Nevada the Intermountain Region offers amazing diversity and unique land management challenges.

Four major geographic provinces come together to form the Region.  These provinces are the reason for the tremendous diversity of landscape and ecosystems. - Northern Rocky Mountains, Middle Rocky Mountains, Colorado Plateau, and Great Basin.

The region encompasses more than 34-million acres of National Forest System land, which consists of 12 National Forests and 1 National Grassland in parts of 6 states.

  • All states are implementing Great American Outdoors Act projects
  • All states have Shared Stewardship projects
  • 3 National Recreation Areas - Spring Mountain NRA, Sawtooth NRA and Flaming Gorge NRA
  • 1 National Grassland - Curlew National Grassland
  • 43 Wilderness Areas
  • 4 Wild and Scenic Rivers composed of 18 different segments
  • 21+ Ski Areas
  • 7 National Historic Trails
  • 2 Portions of National Scenic Trails
  • 21 Active Large Mines
  • Over 14 New Mining Projects
  • 35+ Threatened & Endangered Species
  • Approximately 1800 livestock permittees
  • 45 Federally Recognized Indian Tribes
  • 15 Tribes with Traditional Use

Regional Program Area Fact Sheets

Budget  Planning & Financial Resources
Civil Rights Procurement
Engineering Recreation, Heritage & Wilderness Resources
Fire & Aviation Management Regional Outdoor Recreation
Grants & Agreements Outdoor Recreation in Idaho
Human Resources Outdoor Recreation in Nevada 
Information Management Outdoor Recreation in Utah
Intermountain Zone Field Procurement Outdoor Recreation in Wyoming
Lands & Minerals Safety & Health 
Law Enforcement & Investigation State & Private Forestry
Natural Resources Strategic Communications


Special Features of Each Forest

Ashley National Forest

  • Over 1.3 million acres
  • Kings Peak, highest peak in Utah
  • High Uintas Wilderness
  • Flaming Gorge National Recreation Area
  • Flaming Gorge-Uintas National Scenic Byway
  • Green River Corridor (world-class blue ribbon fisheries)
  • Bordered by the Uintah and Ouray Ute Indian Reservation and Dinosaur National Monument

Boise National Forest

  • 2.6 million acres
  • Important habitat for oceangoing Chinook salmon & steelhead trout
  • Crucial Fire and Fuels Program
  • Forest headquarters (Boise) is a rapidly growing city in the Pacific Northwest
  • Lucky Peak Tree Nursery

Bridger-Teton National Forest

  • 3.4 million acres
  • Comprises a large part of the Greater Yellowstone Ecosystem
  • Nearly 1.2 million acres of designated Wilderness
  • Premier recreation destination in the US

Caribou-Targhee National Forest

  • 2.6 million acres next to Yellowstone and Grand Teton National Parks
  • Lies almost entirely within the 20 million acre "Greater Yellowstone Ecosystem," the largest remaining block of relatively undisturbed plant and animal habitat in the contiguous US
  • The United Nations has identified the area as a Biosphere Reserve

Dixie National Forest

  • Almost 2 million acres characterized by contrast
  • Provides a backdrop and serves as a gateway to surrounding high visibility National Parks and Monuments.
  • Low elevation Mojave Desert scrub to desert mountains to red rock canyons and high elevation plateaus and lakes

Fishlake National Forest

  • 1.8 million acres
  • Largest natural mountain lake in the state - offers trophy fishing & bird watching
  • Hunting, fishing & OHV use are popular forms of recreation
  • Paiute ATV trail
  • Increased interest in mineral, oil and gas reserves may extend to portions of the Fishlake National Forest

Humboldt-Toiyabe National Forest

  • 6.3 million acres, largest National Forest in lower 48
  • Nevada is the most mountainous state in the lower 48 with over 314 mountain ranges
  • 23 wilderness areas totaling 1.2 million acres
  • 316,000 acres on the Spring Mountain National Recreation Area with 50 endemic sensitive plants and animals
  • Largest gold producing mine in the FS
  • Produces some of the best big game hunting in The West

Manti-La Sal National Forest

  • 1.4 million acres
  • Abundance and variety of archaeology and minerals
  • Backdrop for Arches and Canyonlands National Parks
  • Provides more coal than any other National Forest in the nation
  • Natural gas production is big
  • For nearly a century, focused on restoring rangeland ecosystems while continuing to provide for commercial grazing

Payette National Forest

  • More than 2.3 Million Acres
  • Gateway to Frank Church River of No Return Wilderness (which is the largest wilderness in the lower 48
  • 8,000 feet down to the Snake River that carved Hells Canyon National Recreation Area, deepest river gorge in North America

Salmon-Challis National Forest

  • Over 4.3 million acres
  • Lewis and Clark Trail, Nez Perce Trail, Thunder Mountain Historic Trail, and the Continental Divide Scenic Trail cross the Forest
  • Frank Church River of No Return Wilderness
  • The Salmon and Middle Fork Wild and Scenic River canyons

Sawtooth National Forest

  • 2.1 million acres referred to as the “Swiss Alps of America”
  • One of the most photographed and spectacular scenery in the west.
  • 756,019-acre Sawtooth National Recreation Area - the largest National Recreation Area managed by the USDA-Forest Service

Uinta-Wasatch-Cache National Forest

  • Nearly 2.1 million acres with 7 wilderness areas
  • Host of 2002 Winter Olympics
  • The Wasatch and Uinta Mountains provide essential and precious water supplies
  • Watershed restoration work to assure continuous, high quality water supplies and prevent disastrous floods has won international acclaim
  • Strawberry Reservoir, heaviest fished reservoir in the state
  • Greatest number of volunteers service-wide, over 10,000 /yr

Additional Offices within the Intermountain Region

The Regional State and Private Forestry office in Ogden provides outreach and education to states and other partners in urban and community forestry, forest stewardship, and forest health programs. The Ogden and Boise Field Offices survey for insect and disease infestations.

The Rocky Mountain Research Station (RMRS) is one of six research stations around the country. The RMRS headquarters is in Ft. Collins, Colorado. The Ogden Service Center of the RMRS provides support to research units in Logan, Ogden and Provo in Utah, Boise, Idaho and Reno, Nevada.

Find out more and "Meet the Forest Service."

The health of our forests and grasslands is an important focus that we take very seriously as we strive to succeed at Caring for the Land and Serving People.