National Forest trails in Idaho

5,217 named trails in 17 national forests pass through Idaho, about 20,453 miles within the state. 1,619 have their own page and are listed below. Trails are grouped by the forest that administers them, longest forest first.

Nez Perce-Clearwater National Forest1,352 trails · 5,192 miles

TrailMiles
Grangeville-Salmon Snow Trail52.9
Lolo Trail Road52.7
Eagle MountainSelway-Bitterroot Wilderness Wilderness43
Selway River TrailSelway-Bitterroot Wilderness Wilderness38.4
Boundary36.4
Lewis and Clark35
Pot Mountain Ridge32.6
Big RockSelway-Bitterroot Wilderness Wilderness32
Parachute Hill - Granite Pass31.3
Stateline31
Boundary Ridge30.2
Beaver RidgeSelway-Bitterroot Wilderness Wilderness30
Fish Creek29.4
Old Dixie Wagon Road29.4
Weitas Creek28.3
Nee-Me-Poo27.7
Divide27.6
Boulder CreekSelway-Bitterroot Wilderness Wilderness27.5
North Moose/Isaac LakeSelway-Bitterroot Wilderness Wilderness26.1
Salmon River EastFrank Church-River of No Return Wilderness Wilderness25.9
American River25.5
Idaho Centennial TrailGospel-Hump Wilderness Wilderness25.2
Deadhorse Loop24.4
Hump TrailGospel-Hump Wilderness Wilderness24.4
Snowdrifters23.8
Bear CreekSelway-Bitterroot Wilderness Wilderness22.9
Windy Ridge22.6
Pierce Superior Road22.5
Copper ButteSelway-Bitterroot Wilderness Wilderness22.4
Meadow Creek22.3
Milner Trail22.2
Colt KilledSelway-Bitterroot Wilderness Wilderness22.1
Cache CreekFrank Church-River of No Return Wilderness Wilderness21.7
Packer Meadows Road21.5
Kelly Creek20.9
Lolo Weitas Road20.7
Parallel20.6
Bargamin CreekFrank Church-River of No Return Wilderness Wilderness20
Moose RidgeSelway-Bitterroot Wilderness Wilderness19.8
Newsome Creek19.7
Cayuse Creek & Monroe Creek18.6
Trapper Creek18.3
Blacklead18.1
MooresGospel-Hump Wilderness Wilderness17.6
Columbia RidgeGospel-Hump Wilderness Wilderness17.1
Nez Perce Trail17.1
Whitewater Snow16.8
Orogrande - Dixie16.3
ArcherSelway-Bitterroot Wilderness Wilderness15.7
Hemlock Road15.4
Cayuse Creek15.3
Ditch CreekSelway-Bitterroot Wilderness Wilderness14.9
Clear Creek14.8
Lochsa Down River14.6
Lochsa PeakSelway-Bitterroot Wilderness Wilderness14.5
Windy Bill14.4
Porters14.1
Sponge-FreezeoutSelway-Bitterroot Wilderness Wilderness14.1
Big Sand LakeSelway-Bitterroot Wilderness Wilderness13.9
McConnell MountainSelway-Bitterroot Wilderness Wilderness13.9

1,292 more trails, including every one under 4.5 miles, are listed on the Nez Perce-Clearwater National Forest page.

Salmon-Challis National Forest672 trails · 3,466 miles

TrailMiles
Continental Divide NSTNational Scenic or Historic Trail79.9
Middle ForkFrank Church-River of No Return Wilderness Wilderness71.8
Loon Creek Road (winter Trail)47.3
Copper Basin Road - Fr 13535.8
Square Top-West HorseFrank Church-River of No Return Wilderness Wilderness33.4
Divide NRTNational Recreation Trail31.6
Middle Fork RiverFrank Church-River of No Return Wilderness Wilderness31.6
Indian CreekFrank Church-River of No Return Wilderness Wilderness30.2
Hay-Knapp CreekNational Recreation Trail29.8
Bighorn CragsFrank Church-River of No Return Wilderness Wilderness29.7
Cottonwood ButteFrank Church-River of No Return Wilderness Wilderness25.9
StoddardFrank Church-River of No Return Wilderness Wilderness25.4
Sleeping Deer Road (winter Tra23.7
Sheep CreekNational Recreation TrailFrank Church-River of No Return Wilderness Wilderness21.9
East Mayfield - Yankee ForkFrank Church-River of No Return Wilderness Wilderness21.1
Rapid RiverFrank Church-River of No Return Wilderness Wilderness21.1
Darling-Castle CreekFrank Church-River of No Return Wilderness Wilderness20.8
Loon CreekFrank Church-River of No Return Wilderness Wilderness20.4
Warm Springs CreekFrank Church-River of No Return Wilderness Wilderness19.5
Norton LakeFrank Church-River of No Return Wilderness Wilderness19.4
BernardFrank Church-River of No Return Wilderness Wilderness19.3
Hoodoo MeadowsFrank Church-River of No Return Wilderness Wilderness19.2
Ridge Road to Moose Creek And19.1
Snow Bank18.6
Big Baldy RidgeFrank Church-River of No Return Wilderness Wilderness18.5
Ridge Road to Iron Lake18.5
Custer Trail, RD #013, #070 -W18.4
Lake CreekFrank Church-River of No Return Wilderness Wilderness18.2
Iron-Lola Creek18.1
Pistol CreekFrank Church-River of No Return Wilderness Wilderness17.9
Bear Creek PtFrank Church-River of No Return Wilderness Wilderness17.4
Copper Basin Loop RD Fr-13817.2
Sheep Mtn RidgeFrank Church-River of No Return Wilderness Wilderness17.1
Summit TrailFrank Church-River of No Return Wilderness Wilderness17.1
Clear CreekFrank Church-River of No Return Wilderness Wilderness17
North Basin (mcdevitt Cr.)17
Thunder Mountain Historic16.9
Little Jacket16.6
Warm Springs-Agency Loop Wt16.5
Toolbox-Herd CreekJim McClure-Jerry Peak Wilderness Wilderness16.3
WaterfallAccessibleFrank Church-River of No Return Wilderness Wilderness16.1
Patterson-Morse Creek16
Owl Creek15.9
Camas-Eddy CreekFrank Church-River of No Return Wilderness Wilderness15.2
Little Pistol CreekFrank Church-River of No Return Wilderness Wilderness15.2
Horse CreekFrank Church-River of No Return Wilderness Wilderness14.6
Marble CreekFrank Church-River of No Return Wilderness Wilderness14.1
Meyers Cove Road (winter Trail14.1
Peach-Cinnabar14.1
Big Hat Creek14
Fall CreekFrank Church-River of No Return Wilderness Wilderness14
Garden Creek - Horse HeavenFrank Church-River of No Return Wilderness Wilderness14
Big Deer CreekFrank Church-River of No Return Wilderness Wilderness13.9
Soldier BasinFrank Church-River of No Return Wilderness Wilderness13.7
Beaver Creek / Seafoam Road (W13.5
Sulphur CreekFrank Church-River of No Return Wilderness Wilderness13.4
Williams Creek13.3
Sawmill Canyon Road - Fr 10113.1
Cold CreekFrank Church-River of No Return Wilderness Wilderness12.9
Knapp-Loon CreekNational Recreation TrailFrank Church-River of No Return Wilderness Wilderness12.9

612 more trails, including every one under 4.5 miles, are listed on the Salmon-Challis National Forest page.

Caribou-Targhee National Forest883 trails · 2,605 miles

TrailMiles
HighlineNational Recreation Trail60
Continental Divide TrailNational Scenic or Historic Trail55.7
Continental DivideNational Scenic or Historic Trail43.7
Railroad Right-Of-Way38.2
Boundary Trail27.5
Crooked Creek - Willow Creek16.9
Big Bend Ridge Trail16.3
Sheep Driveway16.2
Webber Creek - Divide Creek14.1
Moose CreekJedediah Smith Wilderness Wilderness14
Box Canyon13.6
Decoster13.5
Dry Fork13.5
West Elkhorn Foothills13
Dry Canyon12.6
Bald Mountain12.4
Big Elk Creek11.9
Piney Pass11.7
Lander Trail-Terrace Canyon10.9
Sf Tincup Ck- NF Hyde Ck10.7
Red Ridge10.5
Bell Marsh-Walker-Goodenough10.4
Corral Canyon10.3
Dunns/Home Canyon10.3
Trail Canyon10.1
Trail Creek10.1
Salt Basin10
Alex Draw to McGary Canyon9.8
Williams Creek9.8
New Canyon to Third Creek9.6
Trail-Jacknife-Tincup Creek9.6
Black Moutain9.5
Worm Creek9.5
Fleming Canyon8.8
Spring Creek Divide8.8
Horse Creek8.7
Indian Creek8.7
White Canyon8.7
Corral Creek8.5
Crooked Creek8.5
Webster Ridge8.5
Bear Creek/Sheep8.3
Big Hole Crest8.2
South Fork Bear Creek8.1
Water Canyon Limekiln8.1
Carlton Cutoff7.9
Deadhorse Ridge7.9
Dude Creek7.8
Bpa Line7.7
North Boundary Trail7.7
Stump Creek7.6
Tincup Creek7.5
Blacktail Canyon7.3
North Indian7.3
Echo/Indian Creek7.2
Wright Creek Nat. Recreation T7.2
Slate Mountain7.1
Snowdrift7
Cabin Creek6.9
Ephraim-Dry Creek6.9

823 more trails, including every one under 4.5 miles, are listed on the Caribou-Targhee National Forest page.

Idaho Panhandle National Forests723 trails · 2,564 miles

TrailMiles
State Line53.6
ST. Joe Divide NRTNational Recreation Trail34.8
4th of July Pass OHVAccessible27.6
ST. Joe River20.8
Montana Line20
Huckleberry OHVAccessible19.2
Beetop-Roundtop19.1
Timber Mountain19
Little N. Fk.clearwater18
Big Creek17.1
Gold Ctr. Marble Creek16.7
Laverne Creek OHV16.2
Canyon Creek NRT16
Parker Ridge16
Coeur D'Alene River NRTNational Recreation Trail14.6
Hiawatha Rail TrailAccessible14.6
West Fork Merry Creek OHV14.2
Independence Creek NRTNational Recreation Trail13.7
Sidehill13.4
Steamboat OHVAccessible13.2
Bacon Loop13.1
Marble Creek13.1
Pend Oreille Divide13
Deer Kid OHV12.6
Ruby Ridge12.1
Marie Creek12
South Canfield OHV11.6
Butte OHV11.2
Monument10.5
Cataract Creek10.3
Clifty Mountain10.2
Emerald Creek Cutoff OHV9.8
Mosquito Creek9.8
Nelson Ridge NRT9.8
Martin Creek9.6
Idaho Gulch OHVAccessible9.4
Buck Creek9.3
Magee Pk-Bear Creek9.3
Surveyor'S Ridge9.3
Bussard Mountain9.2
Dunn Peak OHV9.2
Larch Mountain9.2
Copper Ridge9.1
Eena Creek OHV9.1
East Fork Boulder9
Canfield Mtn Tr Cmplex Trail-A8.6
Mineral Creek OHV8.6
Simmons Creek8.5
Simmons Ridge8.5
Fly Creek8.3
Peggy Peak8.2
Navigation8.1
Upper Priest River8.1
Buck Mountain8
Danquist8
King'S Pass-Sunset Pk8
Scribner Falls8
Angle Point7.9
Boulder Creek7.9
Lost Creek-State Line7.9

663 more trails, including every one under 4.5 miles, are listed on the Idaho Panhandle National Forests page.

Sawtooth National Forest624 trails · 2,298 miles

TrailMiles
Skyline Trail26
Redfish Creek - Baron CreekSawtooth Wilderness Wilderness21.9
Lake Fork Loop21.8
Livingston Mill-Castle DivideCecil D. Andrus-White Clouds Wilderness Wilderness21.6
Cold Springs Canyon Loop21.2
Warm Springs CreekCecil D. Andrus-White Clouds Wilderness Wilderness20.5
Alice Lake-Redfish LakeSawtooth Wilderness Wilderness20.4
South Fork Payette RiverSawtooth Wilderness Wilderness19.6
Harriman Trail18.8
Harriman Trail Ski18.4
Willow Creek18.1
Big Smoky17.8
Alpine WaySawtooth Wilderness Wilderness17.2
Couch Summit16.4
Johnson CreekSawtooth Wilderness Wilderness16.1
Wells Summit15.7
Middle Fork Boise RiverSawtooth Wilderness Wilderness15.5
Martin-Big CasinoCecil D. Andrus-White Clouds Wilderness Wilderness15
Iron Creek - Stanley LakeSawtooth Wilderness Wilderness14.4
Queens RiverSawtooth Wilderness Wilderness14.1
Virginia Gulch13.8
Soldier Cr-Miller Cr13.6
Skyline12.5
Paradise Creek12.4
Porcupine Loop12.2
Big Cottonwood12
North Fork Boise RiverSawtooth Wilderness Wilderness12
Alturas Lake-MattinglySawtooth Wilderness Wilderness11.9
Grand Prize11.6
Osberg Ridgeline Trail11.4
Skeleton Creek11.3
Germania CreekCecil D. Andrus-White Clouds Wilderness Wilderness11.2
Big Peak/East Fork Big Peak11.1
Williams Creek11
210 Road10.9
Little Water Gulch10.9
North Fork Lime Creek10.6
Eves Gulch-Old Adams Gulch RD10.5
Sunny Gulch10.5
The Grinder10.5
Federal Gulch10.3
Mule Creek10
Ranger10
Yellowbelly TrailSawtooth Wilderness Wilderness10
Harrington Fork9.9
Iron Mountain Trail9.8
South Fork Lime Creek9.8
Wolftone-Curran9.7
BenedictSawtooth Wilderness Wilderness9.5
Long Gulch9.5
Rim View9.5
Baker Creek9.4
Fairchild Creek9.4
Shake Creek9.4
New Canyon9.3
West Fork Big Smoky Creek9.3
Little Queens RiverSawtooth Wilderness Wilderness9.2
Norton Creek-Prairie Creek9.2
Little Wood9.1
Champion Creek9

564 more trails, including every one under 4.5 miles, are listed on the Sawtooth National Forest page.

Boise National Forest468 trails · 1,907 miles

TrailMiles
Kirkham Ridge35.8
Bear Valley Snowmobile33.2
Clear Creek / Bear Valley Snow31.3
Johnson CreekSawtooth Wilderness Wilderness30.5
Thorne Butte Loop27.4
Clear Creek26.9
Edna/Rock Creek24
Deadwood Ridge21.9
Bull Creek18.3
Willow Creek Snow Loop18
SummitFrank Church-River of No Return Wilderness Wilderness17.2
Warm Lake / Deadwood16.8
East Mountain Way16.6
Rabbit Creek Loop16.4
Middle Fork Payette River16.2
West Mountain16.1
Danskin #31715.9
Black WarriorSawtooth Wilderness Wilderness15.6
Bear Run/Pilot Peak15
Summit Flat15
Curtis Creek14.5
Lightning Ridge14.5
Warm Springs14
West Fork Wet Foot12.8
William Pogue National RecreatNational Recreation Trail12.6
Anderson Creek12.4
Ten Mile Ridge12.3
Elkhorn LoopNational Recreation Trail12.2
Table Mountain12.2
Lava Mountain12.1
Crosscut South12
Danskin #50012
Link11.7
Crooked River11.4
Hot Creek11.4
Julie Creek11.2
Needles Route11
Hungarian Ridge10.7
Tyndall Creek10.6
Upper Pine Creek10.5
Airline10.1
Devils Creek10
Corbus Creek9.9
Kyaott9.8
Bear Summit9.7
Corral Creek9.7
Grand Mountain9.4
Crooked Pike Loop9.2
Sheep Mountain8.9
Dollar Creek Way8.7
Bear River8.6
Burnt Log8.5
Horse Heaven8.5
West Warrior8.5
Danskin #3008.4
Westside8.4
Haga Creek8.2
Trail Creek8.2
Wyoming-Fir Cr8.2
Browns Creek8.1

408 more trails, including every one under 4.5 miles, are listed on the Boise National Forest page.

Payette National Forest344 trails · 1,880 miles

TrailMiles
ChamberlainNational Recreation TrailFrank Church-River of No Return Wilderness Wilderness44.7
Cold MeadowsFrank Church-River of No Return Wilderness Wilderness36.7
Big CreekFrank Church-River of No Return Wilderness Wilderness34.2
Mosquito RidgeFrank Church-River of No Return Wilderness Wilderness27.3
S/F Salmon RiverFrank Church-River of No Return Wilderness Wilderness23.1
Coyote Spring/Cow CreekFrank Church-River of No Return Wilderness Wilderness21
McCalla CreekFrank Church-River of No Return Wilderness Wilderness20.9
Monumental CreekFrank Church-River of No Return Wilderness Wilderness19.4
Chamberlain CreekFrank Church-River of No Return Wilderness Wilderness18.3
Lookout MountainFrank Church-River of No Return Wilderness Wilderness18.1
Indian Ridge17.4
Rattlesnake PeakFrank Church-River of No Return Wilderness Wilderness16.7
Bear Pete Ridge16.1
Big Creek RidgeFrank Church-River of No Return Wilderness Wilderness15.9
French Creek15.9
S/F Salmon River East15.3
Cougar BasinFrank Church-River of No Return Wilderness Wilderness14.9
Rush CreekFrank Church-River of No Return Wilderness Wilderness14.7
Three BlazeFrank Church-River of No Return Wilderness Wilderness14.7
Rapid River Ridge14.6
Deep CreekHells Canyon Wilderness Wilderness14.4
Secesh River14.3
Tailholt14.2
Council Mountain14
Rapid River13.9
Runaway RidgeFrank Church-River of No Return Wilderness Wilderness13.6
Patrick Butte13.5
Loon Creek/Loon Lake13.3
Center MountainFrank Church-River of No Return Wilderness Wilderness13.2
Frog Spring Ridge/Club MeadowsFrank Church-River of No Return Wilderness Wilderness13.2
Ramey RidgeFrank Church-River of No Return Wilderness Wilderness13.1
Grass Mountain (wilderness)Frank Church-River of No Return Wilderness Wilderness12.7
Raines Creek/Slaughter GulchFrank Church-River of No Return Wilderness Wilderness12.7
Buckhorn Creek12.6
Grouse Creek/Grizzly Creek12.4
North Fork Kennally Creek12.4
Lava Ridge12.1
Cottonwood CreekFrank Church-River of No Return Wilderness Wilderness12
Fitsum Creek12
Artic PointFrank Church-River of No Return Wilderness Wilderness11.6
Loon Creek11.6
E/F Lake Fork Creek11.5
S/F Sheep Creek11.4
Sheep Creek11.4
Rainbow Ridge11.3
Horse HeavenFrank Church-River of No Return Wilderness Wilderness11
Crestline10.9
Grass Mountain (off 257)10.8
Hum Lake/North Fork Lick10.8
Sliver CreekFrank Church-River of No Return Wilderness Wilderness10.8
Victor Creek10.8
Martin Ridge10.7
Queen CreekFrank Church-River of No Return Wilderness Wilderness10.5
Four Mile10.4
James CreekFrank Church-River of No Return Wilderness Wilderness10.4
Marble CreekFrank Church-River of No Return Wilderness Wilderness10.4
Cougar Creek10.3
Boundary10.1
Cow Creek9.7
Twenty Mile9.7

284 more trails, including every one under 4.5 miles, are listed on the Payette National Forest page.

Bitterroot National Forest79 trails · 680 miles

TrailMiles
East Moose CreekSelway-Bitterroot Wilderness Wilderness36.3
Nez Perce Indian TrailSelway-Bitterroot Wilderness Wilderness34.7
Lost HorseSelway-Bitterroot Wilderness Wilderness25.5
Whitecap CreekSelway-Bitterroot Wilderness Wilderness24.6
Shoup-Elk CityFrank Church-River of No Return Wilderness Wilderness22.7
Dwyer-SmithFrank Church-River of No Return Wilderness Wilderness21.5
Selway River - FcronrFrank Church-River of No Return Wilderness Wilderness20.1
Blue JointAccessible18.6
Canyon CreekSelway-Bitterroot Wilderness Wilderness18.2
Divide SouthFrank Church-River of No Return Wilderness Wilderness16.5
Indian RidgeSelway-Bitterroot Wilderness Wilderness16.4
Hells Half-Salmon MountainFrank Church-River of No Return Wilderness Wilderness15.9
Tin CupSelway-Bitterroot Wilderness Wilderness15
Rock CreekSelway-Bitterroot Wilderness Wilderness14.8
MT. AuraSelway-Bitterroot Wilderness Wilderness12.5
Blodgett CreekSelway-Bitterroot Wilderness Wilderness12.3
Selway River - SbwSelway-Bitterroot Wilderness Wilderness11.6
Wood HumpFrank Church-River of No Return Wilderness Wilderness10.6
Dennis CreekFrank Church-River of No Return Wilderness Wilderness10.4
Eakin RidgeFrank Church-River of No Return Wilderness Wilderness10.3
Mount HarringtonFrank Church-River of No Return Wilderness Wilderness10.2
Schofield RidgeSelway-Bitterroot Wilderness Wilderness10
Storm CreekFrank Church-River of No Return Wilderness Wilderness9.8
Blue Joint-Square TopFrank Church-River of No Return Wilderness Wilderness9.6
Salmon RiverFrank Church-River of No Return Wilderness Wilderness9.6
WatchtowerSelway-Bitterroot Wilderness Wilderness9
Swet CreekFrank Church-River of No Return Wilderness Wilderness8.9
Mount GeorgeSelway-Bitterroot Wilderness Wilderness8.7
Bad Luck CreekSelway-Bitterroot Wilderness Wilderness8.5
Bad Luck RidgeSelway-Bitterroot Wilderness Wilderness8.5
Cooper PointSelway-Bitterroot Wilderness Wilderness8
Lodgepole HumpSelway-Bitterroot Wilderness Wilderness8
Salamander CreekSelway-Bitterroot Wilderness Wilderness7.9
Eagle CreekSelway-Bitterroot Wilderness Wilderness7.7
Storm RidgeFrank Church-River of No Return Wilderness Wilderness7.6
Sheephead CreekSelway-Bitterroot Wilderness Wilderness7.4
Fawn RidgeFrank Church-River of No Return Wilderness Wilderness7
Witter RidgeFrank Church-River of No Return Wilderness Wilderness7
Spot MountainSelway-Bitterroot Wilderness Wilderness6.9
Divide NorthSelway-Bitterroot Wilderness Wilderness6.8
Sabe CreekFrank Church-River of No Return Wilderness Wilderness6.8
Goat RidgeFrank Church-River of No Return Wilderness Wilderness6.5
Grass RidgeFrank Church-River of No Return Wilderness Wilderness6.4
Upper WilkersonFrank Church-River of No Return Wilderness Wilderness6.2
Prospect RidgeFrank Church-River of No Return Wilderness Wilderness6.1
Waugh Mtn-West HorseFrank Church-River of No Return Wilderness Wilderness6
Kim CreekFrank Church-River of No Return Wilderness Wilderness5.7
Indian CreekSelway-Bitterroot Wilderness Wilderness5.5
Cayuse MountainSelway-Bitterroot Wilderness Wilderness5.4
Elevator MountainSelway-Bitterroot Wilderness Wilderness5
Langdon PointFrank Church-River of No Return Wilderness Wilderness5
Pasture RidgeFrank Church-River of No Return Wilderness Wilderness5
North Star CreekSelway-Bitterroot Wilderness Wilderness4.8
Nez Perce Indian Trail-FalesSelway-Bitterroot Wilderness Wilderness4.6
Gold Pan Cross CountryFrank Church-River of No Return Wilderness Wilderness4.5
North Star RidgeSelway-Bitterroot Wilderness Wilderness4.5
Parachute RidgeSelway-Bitterroot Wilderness Wilderness4.5

22 more trails, including every one under 4.5 miles, are listed on the Bitterroot National Forest page.

Lolo National Forest34 trails · 326 miles

TrailMiles
Cc Divide55.5
StatelineNational Recreation Trail47.4
Ford Pass / Old Mullan Pass22.4
LoloNational Scenic or Historic Trail18.5
Rainy/Dominion Loop16.1
Elk Mdws-Spruce Cr Snowmo Tr#316
Up Up Ridge14.3
State Line (granite Peak)13.9
Cache Creek11.2
West Fork Fish Creek11.2
Granite Creek Snowmobile Tr#510
Schley Mountain9.5
Silver/Dominion Creek8
Indian Ridge7.9
Lost Park7.7
Lee Ridge6.5
Dry Creek6
Granite Ridge5.8
Lost Park Loop Snowmo Tr# 135.7
Blossom Lake4.5
Skookum ButteNational Recreation Trail1.3

13 more trails, including every one under 4.5 miles, are listed on the Lolo National Forest page.

Beaverhead-Deerlodge National Forest10 trails · 107 miles

TrailMiles
Continental Divide NSTNational Scenic or Historic Trail55.2
Nicholia Deadman11.1
Rock Moose10.6
Big Hole Pass Snomo8.4
Eunice Cr Cd Snowmobile5
Continental DivideNational Scenic or Historic Trail4.1

4 more trails, including every one under 4.5 miles, are listed on the Beaverhead-Deerlodge National Forest page.

Custer Gallatin National Forest11 trails · 97 miles

TrailMiles
Two Top Loop (snowmo)National Recreation Trail27.6
South Plateau (snowmo)16.6
Two Top DivideNational Scenic or Historic Trail13.3
Lionhead Mtn C D N S TNational Scenic or Historic Trail9.4
Madison Cream Divide7.9
Watkins CreekNational Scenic or Historic Trail7.8
Lionhead Loop (snowmo)7.3
Mile CreekNational Scenic or Historic Trail5.7

3 more trails, including every one under 4.5 miles, are listed on the Custer Gallatin National Forest page.

Kootenai National Forest10 trails · 64 miles

TrailMiles
Trout Creek NRTNational Recreation Trail19.8
Keeler Snowmobile16.2
Caribou Creek5.3
Trout Ridge5
North Fork Callahan/Timber4.6

5 more trails, including every one under 4.5 miles, are listed on the Kootenai National Forest page.

Colville National Forest2 trails · 26 miles

TrailMiles
Shedroof DivideNational Scenic or Historic TrailSalmo-Priest Wilderness Wilderness16.9
Salmo BasinSalmo-Priest Wilderness Wilderness8.8

Bridger-Teton National Forest2 trails · 26 miles

TrailMiles
State Line13.9
Spring Creek (west Side)11.7

Wallowa-Whitman National Forest1 trails · 7 miles

TrailMiles
Rankin Mill6.6

Humboldt-Toiyabe National Forest1 trails · 2 miles

TrailMiles

1 more trails, including every one under 4.5 miles, are listed on the Humboldt-Toiyabe National Forest page.

Deschutes National Forest1 trails · 2 miles

TrailMiles

1 more trails, including every one under 4.5 miles, are listed on the Deschutes National Forest page.

The 60 longest trails with a page are listed for each forest. The forest pages list every named trail. A trail that crosses a state line is listed in both states with its full length. Data refreshed September 17, 2026.