Salmon-Challis - Lost River National Forest

"TitleSnow for Labor Day, A Breathtaking Beauty" by Intermountain Forest Service, USDA Region 4 Photography , public domain

Salmon-Challis - Lost River

National Forest - Idaho

Salmon-Challis National Forest is located in east central sections of the U.S. state of Idaho. It has most of the land area of the Frank Church River of No Return Wilderness, which is the largest wilderness area south of Alaska. Borah Peak, the tallest mountain in Idaho, is also found here. The Wild and Scenic Salmon River weaves through the rugged terrain of the Sawtooth Mountains and Sawtooth National Recreation Area, while it flows for over 75 miles (121 km) through the forest. The Big Lost River has its headwaters within the national forest. Challis National Forest lies primarily in Custer County, but also has major areas in Lemhi and Butte counties, as well as smaller areas in Clark and Blaine counties. There are local ranger district offices located in Challis, Clayton, and Mackay. Salmon National Forest is primarily located in Lemhi County, with spillover into Valley and Idaho counties. There are local ranger district offices located in Leadore, North Fork, and Salmon.

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USFS Intermountain Region 4 - Salmon-Challis - South

Map of Salmon-Challis National Forest (South) in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

USFS 100K Series - Borah Peak

1:100K map of Borah Peak in Idaho and Montana. Published by the U.S. Forest Service (USFS).

Salmon-Challis - Leadore - South

Map of the Leadore Ranger District (South) of Salmon-Challis National Forest in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis - Challis-Yankee Fork - East

Map of the Challis-Yankee Fork Ranger District (East) of Salmon-Challis National Forest in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis - Challis-Yankee Fork - South

Map of the Challis-Yankee Fork Ranger District (South) of Salmon-Challis National Forest in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis - Lost River

Map of the Lost River Ranger District (South) of Salmon-Challis National Forest in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

Salmon Field Office - Off Highway Vehicle Map

Map of Off Highway Vehicle (OHV) Designations in the BLM Salmon Field Office area in Idaho. Published by the Bureau of Land Management (BLM).

Caribou-Targhee - Dubois - Summer Recreation

Map of Summer Recreation Opportunities in the Dubois Ranger District in Caribou-Targhee National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Caribou-Targhee - Dubois - Winter Recreation

Map of Winter Recreation Opportunities in Dubois Ranger District (RD) in Caribou-Targhee National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Eighteenmile - Visitor Map

Visitor Map of Eighteenmile Wilderness Study Area (WSA) in the BLM Salmon Field Office area in Idaho. Published by the Bureau of Land Management (BLM).

Salmon-Challis Visitor Map - Leadore 2023

Visitor Map of Leadore Ranger District of Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis Visitor Map - Lost River 2023

Visitor Map of Lost River Ranger District of Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Yankee Fork East 2025

Motor Vehicle Use Map (MVUM) of Yankee Fork (East) in Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Yankee Fork West 2025

Motor Vehicle Use Map (MVUM) of Yankee Fork (West) in Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Leadore 2025

Motor Vehicle Use Map (MVUM) of Leadore in Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Lost River East 2025

Motor Vehicle Use Map (MVUM) of Lost River (East) in Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Lost River West 2025

Motor Vehicle Use Map (MVUM) of Lost River (West) in Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Winter South 2024

Oversnow Use Map (MVUM) of the southern part of Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Salmon-Challis MVUM - Winter North 2024

Oversnow Use Map (MVUM) of the northern part of Salmon-Challis National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Caribou-Targhee - Dubois

Map of the Dubois Ranger District of Caribou-Targhee National Forest in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

USFS Intermountain Region 4 - Caribou-Targhee - Targhee

Map of Caribou-Targhee National Forest (Targhee) in the USFS Intermountain Region 4 in Idaho and Wyoming. Published by the U.S. Forest Service (USFS).

USFS Intermountain Region 4 - Salmon-Challis - North

Map of Salmon-Challis National Forest (North) in the USFS Intermountain Region 4 in Idaho. Published by the U.S. Forest Service (USFS).

Caribou-Targhee MVUM - Dubois 2025

Motor Vehicle Use Map (MVUM) of the Dubois Ranger District in Caribou-Targhee National Forest (NF) in Idaho. Published by the U.S. Forest Service (USFS).

Idaho State - Idaho State Map

Official State Map of Idaho. Published by visitidaho.org.

Salmon-Challis NF - Lost River https://www.fs.usda.gov/detail/scnf/about-forest/districts/?cid=fsbdev3_029599 https://en.wikipedia.org/wiki/Salmon-Challis_National_Forest Salmon-Challis National Forest is located in east central sections of the U.S. state of Idaho. It has most of the land area of the Frank Church River of No Return Wilderness, which is the largest wilderness area south of Alaska. Borah Peak, the tallest mountain in Idaho, is also found here. The Wild and Scenic Salmon River weaves through the rugged terrain of the Sawtooth Mountains and Sawtooth National Recreation Area, while it flows for over 75 miles (121 km) through the forest. The Big Lost River has its headwaters within the national forest. Challis National Forest lies primarily in Custer County, but also has major areas in Lemhi and Butte counties, as well as smaller areas in Clark and Blaine counties. There are local ranger district offices located in Challis, Clayton, and Mackay. Salmon National Forest is primarily located in Lemhi County, with spillover into Valley and Idaho counties. There are local ranger district offices located in Leadore, North Fork, and Salmon.