Cross-country skiing trails

3,647 cross-country ski trails across 56 national forests. Snow trails where cross-country ski use is allowed for at least part of the year.

The 300 longest with a page

TrailMiles
Allegheny Snowmobile LoopAllegheny115.3
Cj Ramstad North Shore StateSuperior104
North Country National ScenicOttawaNational Scenic or Historic Trail101.3
Newaygo-Wellston Smt Dnr3Huron-Manistee95.6
Arrowhead SnowmobileSuperior80.8
Diamond Lake SnomoFremont-Winema75
Resurrection Pass TrailChugachNational Recreation Trail73.7
Snowmobile Trail Lkln ForestChequamegon-Nicolet69.3
Big Sky North (snowmo)Custer GallatinNational Recreation Trail65.5
Greenwater/NachesMt. Baker-Snoqualmie65
Oscoda-Alcona Smt Dnr96Huron-Manistee64.4
Corridor 7Green Mountain and Finger LakesBig Branch Wilderness Wilderness60.7
Voyageur SnowmobileSuperior58.3
Greys River Snowmobile TrailBridger-Teton58
Bessemer Snowmobile #8Ottawa56.7
Hadley SnowmobileFremont-Winema56.6
Gunflint SnowmobileSuperior55.6
LongGreen Mountain and Finger LakesNational Scenic or Historic TrailBreadloaf Wilderness Wilderness55.6
Sunlight to Powderhorn SnoGrand Mesa, Uncompahgre and Gunnison55.1
Snow-1Black Hills54.9
Forest County SnowmobileChequamegon-Nicolet48
Loon Creek Road (winter Trail)Salmon-Challis47.3
Inht: Johnson Pass TrailChugachNational Scenic or Historic Trail45.7
Snow-2Black Hills45.4
Asl #1A New YorkAllegheny45.1
Florence County SnowmobileChequamegon-Nicolet45
Tomahawk SnowmobileSuperior44.4
Snowmobile TrailDixie43.8
North Timp Snowmobile TrailKaibab42.3
Trail #2 -Cross District TrailDeschutesThree Sisters Wilderness Wilderness41.9
Expressway Snowmobile RouteSuperior41.2
Snow-3Black Hills39.9
North Slope SnowmobileUinta-Wasatch-Cache39.8
Snowmobile Trail Lkln LangladeChequamegon-Nicolet39.6
Big Sky South (snowmo)Custer Gallatin39.3
Snomo #5Deschutes37.8
Snowmobile Route 25Chequamegon-Nicolet37.1
Quartz Mtn. Snowmobile TrailFremont-Winema36.8
Cline Top C1-A1lWhite RiverAccessible36
Copper Basin Road - Fr 135Salmon-Challis35.8
Big Spring-Baldy Lake SnomoHiawatha35
Vilas County SnowmobileChequamegon-NicoletBlackjack Springs Wilderness Wilderness35
Strawberry Snomo GroomedUinta-Wasatch-Cache34.8
Seven BeaversSuperior34.6
Warner Snowmobile TrailFremont-Winema34.3
Corsair TrailsHuron-Manistee34.1
Bear Valley SnowmobileBoise33.2
Finney Creek RD Snowmobile 18Mt. Baker-Snoqualmie33
Iosco Smt Dnr6Huron-Manistee32.8
Middle Piney North (h Trail)Bridger-Teton32.6
Snowmobile Loop JHelena-Lewis and Clark32.6
Marten Creek Snowmobile RouteKootenai31.5
Clear Creek / Bear Valley SnowBoise31.3
Nebo Loop WinterUinta-Wasatch-Cache31.3
Hoist Lake TrailsHuron-Manistee30.8
Johnson CreekBoiseSawtooth Wilderness Wilderness30.5
Monument Park WinterSan Juan30.3
Sp Trail - Miles Not AccountedWhite River30
Stump SpringsSierra30
Laurentian SnowmobileSuperior29.2
McCabe Cr - N Fk BlackfootLolo28.9
Newberry #80Deschutes28.9
Mosquito RidgeTahoeAccessible28.8
Curtis Creek SnowmobileUinta-Wasatch-Cache28.7
Gros Ventre Road SnowmobileBridger-TetonGros Ventre Wilderness Wilderness28.6
PequaywanSuperior28.1
Big Bay de Noc SnomoHiawatha28
Two Top Loop (snowmo)Custer GallatinNational Recreation Trail27.6
Thorne Butte LoopBoise27.4
Pilgrim - HarrisShasta-Trinity27.2
Main Trail SouthFremont-Winema27.1
Segelson Pass Snowmobile 18Mt. Baker-Snoqualmie27
Clear CreekBoise26.9
SteepleApache-Sitgreaves26.8
Cd South Snowmobile TrailBridger-TetonNational Recreation Trail26.7
Cumberland Pass Snowmobile/SkiGrand Mesa, Uncompahgre and Gunnison26.5
BanadadSuperiorBoundary Waters Canoe Area Wilderness Wilderness26.3
Snomobile #2Ochoco25.6
Trout Lake - Hulbert SnomoHiawatha25.5
Canyon SmFlathead25.4
Cdst Snowmobile TrailBridger-Teton25.4
N Snowobile TrailBridger-Teton25.2
Gold CreekLoloRattlesnake Wilderness Wilderness25
Taconite SnowmobileSuperior25
Transfer TrailWhite RiverAccessible25
Beaver CreekArapaho and RooseveltIndian Peaks Wilderness Wilderness24.8
Champs FlatLassen24.8
Red Creek-Cedarville SnomoHiawathaMackinac Wilderness Wilderness24.8
3n01-Snow TrailStanislaus24.7
N Fork Big Creek Snowmobl SpurKootenai24.7
Edna/Rock CreekBoise24
17 Mile/Quartz SnowmobileKootenai23.9
West Morrell-Rice Ridge LoopLoloAccessible23.8
Sleeping Deer Road (winter TraSalmon-Challis23.7
Yukon SouthSuperior23.7
Yukon NorthSuperior23.4
Chippewa "c" Gia Snomobile TraChippewa23
First Notch WinterSan Juan23
Sunlight / Powderhorn AreaWhite RiverAccessible23
Fredonyer Long LoopLassen22.9
Swamper SnowmobileSuperior22.8
Clyde Creek Loop Snomo GroomedUinta-Wasatch-Cache22.7
LttaSuperior22.7
Mirror Lake Snomo GroomedUinta-Wasatch-CacheNational Recreation Trail22.6
Beckler River RoadMt. Baker-Snoqualmie22.5
North Fk SunHelena-Lewis and ClarkNational Scenic or Historic TrailBob Marshall Wilderness Wilderness22.5
Raco - Paradise SnomoHiawatha22.5
Snomo #2Deschutes22.5
Ford Pass / Old Mullan PassLolo22.4
Hadley EFremont-Winema22.2
InterlokenGreen Mountain and Finger LakesNational Recreation Trail22.2
Meadow Lake LoopTahoe22.1
Up-Up / Deer CreekLolo22.1
Avenue of Pines Snowmobile TrChippewa21.9
Corridor 9Green Mountain and Finger Lakes21.8
Lake Fork LoopSawtooth21.8
17 RoadLassen21.7
Sinks Trail Winter SportUinta-Wasatch-Cache21.7
Nahma Grade Sno-MoHiawatha21.6
Bessemer Snowmobile #1Ottawa21.4
Seeley Lake- MontureLolo21.4
Cold Springs Canyon LoopSawtooth21.2
Inht: Turnagain Pass TrailChugachNational Scenic or Historic Trail21.2
Chatham SnomoHiawatha21
Soo Line Gia Snowmobile TrailChippewa21
Stony Spur SnowmobileSuperior21
Saltese/Randolph Creek LoopLolo20.8
Bergland Snowmobile #11 NOttawa20.7
Grave Creek SnowmobileKootenai20.5
Duck Creek Snowmobile TrailDixie20.4
Crane Mtn SnowmobileFlathead20.2
Haywire Grade SnomoHiawatha20.1
Alcona Smt Barton City Dnr966Huron-Manistee20
Davis Lake RunDeschutes20
Wagon Mtn-Fish Cr Snowo Tr# 9Lolo20
South From Rogger THFremont-Winema19.8
Spring Creek/Rocky Brook SnwmoGrand Mesa, Uncompahgre and Gunnison19.8
Carp River SnomoHiawatha19.7
Manistee Smt Spur1 Dnr6Huron-Manistee19.7
Stillwater PassArapaho and Roosevelt19.7
Hamner-Davis RunDeschutes19.6
Little Grassy WinterSuperior19.5
Lost Girl Gia Snowmobile TrailChippewa19.5
S Snowmobile TrailBridger-Teton19.5
04n12-Snow TrailStanislaus19.4
Big Creek / Rivers CreekLolo19.4
Dye Snowmobile LoopApache-Sitgreaves19.4
Garden Ridge Snomobile SpurKootenai19.4
Ontonagon Equestrian ComplexOttawa19.1
Ridge Road to Moose Creek AndSalmon-Challis19.1
Sunrise Snowmobile 409/261Apache-Sitgreaves19.1
Upper Moore CreekDeschutes19.1
Snow-5Black Hills19
Triville Gia Snowmobile TrailChippewa19
Snomo #4Deschutes18.9
Don Hatch Memorial SnowmobileAshley18.8
Lands End Loop SnowmobileGrand Mesa, Uncompahgre and Gunnison18.6
Butte LakeLassen18.5
Coop Creek Snomo GroomedUinta-Wasatch-Cache18.5
Madison Arm Loop (snowmo)Custer Gallatin18.5
Oscoda Smt S-To-N Dnr9Huron-Manistee18.5
Ridge Road to Iron LakeSalmon-Challis18.5
Custer Trail, RD #013, #070 -WSalmon-Challis18.4
Harriman Trail SkiSawtooth18.4
Trail #55 - Pyramid LoopWillamette18.4
Hidden LakesChequamegon-Nicolet18.3
Owl Creek Pass SnoGrand Mesa, Uncompahgre and Gunnison18.3
Snomo #3Deschutes18.2
Newberry #1Deschutes18.1
North Fork TetonHelena-Lewis and ClarkBob Marshall Wilderness Wilderness18.1
Snomobile # 1Ochoco18.1
Willow CreekSawtooth18.1
Pete Creek SnowmobileKootenai18
Willow Creek Snow LoopBoise18
East Pipe/Big Creek SnowmoblKootenai17.9
Rocktop Snomo TrailRogue River-Siskiyou17.9
Snow-ABlack Hills17.8
Raco-Strongs-Hulbert SnomoHiawatha17.7
Middle Piney South (h Trail)Bridger-Teton17.6
Bald MountainSierra17.5
Castle Rock SnomoHiawatha17.5
Nanamocomuck Ski TrailWhite Mountain17.5
Ogemaw-Iosco Smt Dnr6Huron-Manistee17.5
Bear CanyonCuster Gallatin17.4
Chemult RunDeschutes17.2
Copper Basin Loop RD Fr-138Salmon-Challis17.2
McKenzieShasta-Trinity17.2
Bear Snowmobile LoopApache-Sitgreaves17.1
Nugent/Dry ForkBridger-Teton17.1
Stoneham SnomoWhite Mountain17.1
Suomi Snowmobile TrailChippewa17.1
Coyote LakeSierraDinkey Lakes Wilderness Wilderness17
North Basin (mcdevitt Cr.)Salmon-Challis17
Treasure Mountain LoopTahoe17
Blue LakeArapaho and RooseveltRawah Wilderness Wilderness16.9
Monte Cristo SnowmobileUinta-Wasatch-Cache16.9
Snow-7Black Hills16.9
Snomobile #3Ochoco16.8
Warm Lake / DeadwoodBoise16.8
Snow-2kBlack Hills16.7
Blue Creek WinterSan Juan16.6
Plumtaw WinterSan Juan16.6
Smiths Fork Snowmobile TrailBridger-Teton16.6
South Plateau (snowmo)Custer Gallatin16.6
Caberfae Way Smt Dnr37Huron-Manistee16.5
Warm Springs-Agency Loop WtSalmon-Challis16.5
Couch SummitSawtooth16.4
Fredonyer Short LoopLassen16.2
Greenhorn RoadPike and San Isabel16.2
HumboltLassen16.2
Keeler SnowmobileKootenai16.2
Oscoda Smt McKinley Dnr965Huron-Manistee16.2
Quartz Mtn Snowmobile SpurKootenai16.2
Trout Lake - Rudyard SnomoHiawatha16.2
Udell Hills Smt Dnr614Huron-Manistee16.2
Haskell PeakTahoe16.1
Manistee Smt Dnr6Huron-Manistee16.1
Murphy Creek TrailHiawatha16.1
Newberry #2Deschutes16.1
Rainy/Dominion LoopLolo16.1
Trout Creek Snomo MarkedUinta-Wasatch-Cache16.1
Bear Creek SnomoUmpqua16
Elk Mdws-Spruce Cr Snowmo Tr#3Lolo16
Kaiser PassSierra16
Lake Marshall LoopLolo16
Tonga Ridge RoadMt. Baker-Snoqualmie16
Dunham CreekLoloBob Marshall Wilderness Wilderness15.9
Pine Creek ValleyLassen15.9
Colt CreekLolo15.8
Lemolo SnomoUmpqua15.8
Big Park LoopBridger-Teton15.7
Wells SummitSawtooth15.7
North Hiawatha SnomoHiawatha15.6
Spook LakeLolo15.6
Castle BrookGreen Mountain and Finger Lakes15.5
Inht: Meridian Lakes TrailChugach15.5
Buck Ridge (snowmo)Custer Gallatin15.4
East Morrell-Blind Canyon LoopLolo15.4
South Trail Side LoopFremont-Winema15.4
Crystal Creek Snowmobile/SkiGrand Mesa, Uncompahgre and Gunnison15.3
Florence LakeSierraJohn Muir Wilderness Wilderness15.3
South ParkPike and San Isabel15.3
Sugarbush Picnic LoopSuperior15.2
Multiple UseOttawa15.1
Nobletts Wolf Creek Snomo GrmdUinta-Wasatch-Cache15.1
Raco - Bay Mills SnomoHiawatha15.1
Anderson Creek Snowmobile 1107Mt. Baker-Snoqualmie15
Bear Run/Pilot PeakBoise15
Canyon Creek Snowmobile 31Mt. Baker-Snoqualmie15
Elephant Mtn. Loop WinterUmpqua15
Evans Notch Snomo Corr19/Its80White Mountain15
Salmon Ridge X-Country SkiMt. Baker-Snoqualmie15
Summit FlatBoise15
Yuba WebberTahoe15
Chemult RunFremont-Winema14.9
Snow-4Black Hills14.9
Sturgeon River Spur GSuperior14.9
CharltonDeschutes14.8
S Fk Spread Cr (RD) Sm TrBridger-Teton14.8
Alcona Smt Countyline Dnr963Huron-Manistee14.7
Iosco Smt Monument Road DnrHuron-Manistee14.7
King CreekCuster Gallatin14.7
Old Man Winter DogsledSuperior14.6
Bald Ridge LoopTahoe14.5
Curtis CreekBoise14.5
South Divide SnoGrand Mesa, Uncompahgre and Gunnison14.5
BackboneGreen Mountain and Finger Lakes14.4
Cameron Lake Snowmobile TrailChippewa14.4
Fish Creek Road SnowmobileBridger-Teton14.4
Highline Loop SmFlathead14.4
W Fk Butte-Elk Mdws Snow Tr# 8Lolo14.4
Horse CreekCuster GallatinAbsaroka-Beartooth Wilderness Wilderness14.3
Leroux Creek SnowmobileGrand Mesa, Uncompahgre and Gunnison14.3
Prosser Creek ConnectionTahoe14.3
Sunrise SnowmobileApache-Sitgreaves14.3
Deer Creek LoopFremont-Winema14.2
Marcell North Snowmobile TrailChippewa14.2
Meyers Cove Road (winter TrailSalmon-Challis14.1
Oscoda Smt N-To-E Mio Dnr967Huron-Manistee14.1
Winnie Snowmobile TrailChippewa14.1
Kettle Crest SouthColvilleNational Recreation Trail14
Kinney SpurSuperior14
Little Greys River Snomo TrailBridger-Teton14
Asl #21 German HillAllegheny13.9
Deborgia / Knox PassLolo13.9
Snow CorralSierra13.9
Snow Timberline AAllegheny13.9
Trail #60 - Straight Crk LoopWillamette13.9
Ward Hills-Cadillacw Smt Dnr35Huron-Manistee13.8
Af Canyon - Snake Creek WinterUinta-Wasatch-Cache13.7
Cottonwood Pass SnowmobileGrand Mesa, Uncompahgre and Gunnison13.7
Grouse CreekSierra13.7
Skyland SmFlathead13.7
Border to BorderDeschutes13.6
Beaver Creek / Seafoam Road (WSalmon-Challis13.5
G-Mammoth/June SmInyo13.5
Hyatt-Lake of Woods SnomoRogue River-Siskiyou13.4
A-Sawmill Cutoff SmInyo13.3
Bluebill Creek HunterOttawa13.3
Dinkey CreekSierra13.3

The full list of 3,647 trails, including those under 4.5 miles, is on the forest pages below and in the open-data CSV. Data refreshed September 17, 2026.

By national forest

Superior National Forest342Green Mountain and Finger Lakes National Forests263Deschutes National Forest193White Mountain National Forest186Sawtooth National Forest168Huron-Manistee National Forest167Grand Mesa, Uncompahgre and Gunnison National Forests160Custer Gallatin National Forest154Uinta-Wasatch-Cache National Forest150Ottawa National Forest121Fremont-Winema National Forest115Lolo National Forest103Willamette National Forest101Bridger-Teton National Forest89Chequamegon-Nicolet National Forest81Black Hills National Forest79Allegheny National Forest76Hiawatha National Forest65Chippewa National Forest64Lassen National Forest61Boise National Forest60Kootenai National Forest59Umpqua National Forest56Apache-Sitgreaves National Forests52Tahoe National Forest50Rogue River-Siskiyou National Forests49Salmon-Challis National Forest46Arapaho and Roosevelt National Forests44Eldorado National Forest43Flathead National Forest42Sierra National Forest40Mt. Baker-Snoqualmie National Forest39Colville National Forest36Dixie National Forest35Inyo National Forest35San Juan National Forest30Chugach National Forest29Pike and San Isabel National Forests27Ochoco National Forest25Stanislaus National Forest21White River National Forest15Ashley National Forest15Tongass National Forest14Helena-Lewis and Clark National Forest10Shasta-Trinity National Forest9Nez Perce-Clearwater National Forest4Santa Fe National Forest4Cibola National Forest4Plumas National Forest3Sequoia National Forest3Lincoln National Forest3Medicine Bow-Routt National Forest2Carson National Forest2Kaibab National Forest1Caribou-Targhee National Forest1Okanogan-Wenatchee National Forest1