Idaho OHV trails & MVUM routes

25,895.7 mi of motorized routes · 37 ranger districts · 8 national forests · U.S. Forest Service MVUM

Idaho has 25,895.7 miles of motorized national-forest routes on the U.S. Forest Service Motor Vehicle Use Map, spread across 37 ranger districts in 8 national forests — 17,453.6 miles of roads and 8,442.1 miles of trails. ATV routes are designated across 37 of them. Filter by vehicle type to find where you can legally ride an ATV, dirt bike, side-by-side, 4x4 or e-bike, then open a district for miles, seasons, a route map and GPX. Informational only — always follow the official MVUM.

Statewide totals Idaho · U.S. Forest Service MVUM
Total motorized miles
25,895.7

17,453.6 mi of roads · 8,442.1 mi of trails across 37 ranger districts.

National forests
8
Ranger districts
37
ATV districts
37

National forests in Idaho

National forests in Idaho, most motorized miles first.
Idaho Panhandle National Forests 5 5,566.8 4,090.9 1,475.9
Boise National Forest 5 4,029.7 2,807 1,222.7
Caribou-Targhee National Forest 7 3,750 2,302.9 1,447.1
Salmon-Challis National Forest 6 3,623.4 2,725.4 898
Nez Perce-Clearwater National Forest 4 3,235.1 2,188.8 1,046.3
Sawtooth National Forest 4 2,719.8 1,639 1,080.8
Payette National Forest 5 2,364.5 1,699.6 664.9
Wallowa-Whitman National Forest 1 606.4 0 606.4

Ranger districts by vehicle & miles

Every ranger district in Idaho, ranked by motorized miles. Choose a vehicle to show only districts that designate it, or type to filter. Each district page has the full access matrix, seasons, a map and GPX.

37 districts

Idaho ranger districts by motorized miles (highest first).
St. Joe Ranger District Idaho Panhandle National Forests 1,785.9 1,485.6 1,785.9
Coeur d'Alene River Ranger District Idaho Panhandle National Forests 1,644.4 1,436.5 1,636.3
Lochsa/Powell Ranger District Nez Perce-Clearwater National Forest 1,559.7 1,407.5 1,558.8
Minidoka Ranger District Sawtooth National Forest 1,200 1,077 1,198.2
Idaho City Ranger District Boise National Forest 1,166.3 952.9 1,165.9
Challis-Yankee Fork Ranger District Salmon-Challis National Forest 1,059.7 800.4 1,059.8
North Fork Ranger District Nez Perce-Clearwater National Forest 985.7 882.9 963
Salmon-Cobalt Ranger District Salmon-Challis National Forest 928.9 868.8 928.9
Bonners Ferry Ranger District Idaho Panhandle National Forests 835.9 777.5 835.9
Mountain Home Ranger District Boise National Forest 806.2 587.6 805.8
Cascade Ranger District Boise National Forest 768.7 645.4 761
Montpelier Ranger District Caribou-Targhee National Forest 767.4 688 767.4
Priest Lake Ranger District Idaho Panhandle National Forests 750.5 712.5 750.4
Ashton/Island Park Ranger District Caribou-Targhee National Forest 739.8 724.8 724.8
Emmett Ranger District Boise National Forest 736.3 652.5 731.3
Council Ranger District Payette National Forest 728.6 656.1 728.6
Fairfield Ranger District Sawtooth National Forest 705.2 375.7 704.1
Palouse Ranger District Nez Perce-Clearwater National Forest 673.5 645 659
New Meadows Ranger District Payette National Forest 608.1 497.4 608.1
Hells Canyon National Recreation Area Wallowa-Whitman National Forest 606.4 606.4 606.4
Lost River Ranger District Salmon-Challis National Forest 584.3 551.9 584.2
Westside Ranger District Caribou-Targhee National Forest 558.8 459.6 554.5
Lowman Ranger District Boise National Forest 552.2 405.1 550.9
Sandpoint Ranger District Idaho Panhandle National Forests 550.1 480.5 550.1
North Fork Ranger District Salmon-Challis National Forest 544.2 450.4 543.2
Dubois Ranger District Caribou-Targhee National Forest 522.1 477.1 522
Sawtooth National Recreation Area Sawtooth National Forest 516.8 318.5 494.2
McCall Ranger District Payette National Forest 481.3 337.7 480.9
Palisades Ranger District Caribou-Targhee National Forest 447.9 265 442.1
Soda Springs Ranger District Caribou-Targhee National Forest 444 444 444
Leadore Ranger District Salmon-Challis National Forest 358.7 293.9 358.7
Weiser Ranger District Payette National Forest 305.2 234.8 305.2
Ketchum Ranger District Sawtooth National Forest 297.8 133.2 296.4
Teton Basin Ranger District Caribou-Targhee National Forest 270 174 259.3
Krassel Ranger District Payette National Forest 241.3 80.2 219.3
Middle Fork Ranger District Salmon-Challis National Forest 147.6 135.3 147.6
Moose Creek Ranger District Nez Perce-Clearwater National Forest 16.2 16.2 16.2

Data: U.S. Forest Service, Enterprise Data Warehouse (EDW) Motor Vehicle Use Map — Roads (layer 1) and Trails (layer 2), retrieved 2026-07-11. A work of the U.S. Government, public domain (17 U.S.C. §105). State assignment: U.S. Census Bureau TIGERweb state boundaries.

Frequently asked questions

Where can you ride an ATV on national-forest land in Idaho?
Idaho has ATV-designated MVUM routes across 37 ranger districts (about 21,737.9 designated miles). Use the vehicle filter above to see them, then open a district for its routes, seasons and GPX.
How many miles of national-forest OHV routes are in Idaho?
25,895.7 miles of motorized routes on the Forest Service MVUM — 17,453.6 miles of roads and 8,442.1 miles of trails — across 37 ranger districts.
Are these Motor Vehicle Use Maps legal documents?
No. Every figure here is an informational summary of the MVUM route data. The legal document is each district's official Motor Vehicle Use Map, which you must carry and follow.

Explore

New to Motor Vehicle Use Maps? Read what an MVUM is or the methodology. Every figure here is informational, from the U.S. Forest Service MVUM — always carry and follow the official map when you ride.