Trails by national forest

110 national forests and grasslands publish trails in the Forest Service trail layer. Each forest page lists every named trail in it, including the short ones without a page of their own, and links the forest's page on Site 4.

Allegheny National Forest

215 trails · 860.4 miles · PA

Angeles National Forest

203 trails · 668.3 miles · CA

Apache-Sitgreaves National Forests

336 trails · 1,441.4 miles · AZ, NM

Arapaho and Roosevelt National Forests

444 trails · 1,356.4 miles · CO

Ashley National Forest

313 trails · 1,063.6 miles · UT, WY

Beaverhead-Deerlodge National Forest

646 trails · 2,971.5 miles · MT, ID

Bighorn National Forest

222 trails · 714.1 miles · WY

Bitterroot National Forest

361 trails · 1,798.6 miles · MT, ID

Black Hills National Forest

575 trails · 1,353.9 miles · SD, WY

Boise National Forest

468 trails · 1,906.8 miles · ID

Bridger-Teton National Forest

639 trails · 3,498.3 miles · WY, ID

Caribou-Targhee National Forest

956 trails · 2,919.2 miles · ID, WY, UT, MT

Carson National Forest

120 trails · 609.4 miles · NM

Chattahoochee-Oconee National Forests

248 trails · 838.4 miles · GA, TN, NC, SC

Chequamegon-Nicolet National Forest

340 trails · 1,273 miles · WI, MI

Cherokee National Forest

185 trails · 677.4 miles · TN, NC, GA

Chippewa National Forest

289 trails · 594.4 miles · MN

Chugach National Forest

147 trails · 570.3 miles · AK

Cibola National Forest

295 trails · 756.6 miles · NM, TX, OK

Cleveland National Forest

126 trails · 326.3 miles · CA

Coconino National Forest

395 trails · 1,049.7 miles · AZ

Columbia River Gorge National Scenic Area

82 trails · 199.7 miles · OR, WA

Colville National Forest

207 trails · 801.8 miles · WA, ID

Coronado National Forest

382 trails · 1,183.3 miles · AZ, NM

Custer Gallatin National Forest

721 trails · 3,182.3 miles · MT, ID, SD, WY

Dakota Prairie Grasslands

36 trails · 250.3 miles · ND, SD

Daniel Boone National Forest

175 trails · 675.7 miles · KY

Deschutes National Forest

619 trails · 2,222 miles · OR, ID

Dixie National Forest

334 trails · 1,760.6 miles · UT

El Yunque National Forest

16 trails · 17.7 miles · PR

Eldorado National Forest

266 trails · 855.9 miles · CA

Fishlake National Forest

465 trails · 2,081.6 miles · UT

Flathead National Forest

486 trails · 2,298.5 miles · MT

Francis Marion and Sumter National Forests

73 trails · 589.3 miles · SC, GA, NC

Fremont-Winema National Forest

368 trails · 1,277.2 miles · OR, CA

George Washington and Jefferson National Forest

594 trails · 2,189.5 miles · VA, WV, TN, KY

Gifford Pinchot National Forest

393 trails · 1,461.3 miles · WA

Gila National Forest

236 trails · 1,520.4 miles · NM, AZ

Grand Mesa, Uncompahgre and Gunnison National Forests

896 trails · 3,435.6 miles · CO

Green Mountain and Finger Lakes National Forests

410 trails · 1,048.1 miles · VT, NY, MA

Helena-Lewis and Clark National Forest

744 trails · 2,931.4 miles · MT

Hiawatha National Forest

140 trails · 1,046.6 miles · MI

Hoosier National Forest

102 trails · 244.4 miles · IN

Humboldt-Toiyabe National Forest

2,829 trails · 3,668.6 miles · NV, CA, ID

Huron-Manistee National Forest

354 trails · 1,727.3 miles · MI

Idaho Panhandle National Forests

754 trails · 2,659.7 miles · ID, WA, MT

Inyo National Forest

407 trails · 1,241.1 miles · CA, NV

Kaibab National Forest

64 trails · 558.6 miles · AZ

Kisatchie National Forest

33 trails · 325.5 miles · LA

Klamath National Forest

253 trails · 1,020.6 miles · CA, OR

Kootenai National Forest

517 trails · 1,873.5 miles · MT, ID

Lake Tahoe Basin Management Unit

118 trails · 356.2 miles · CA, NV

Land Between the Lakes National Recreation Area

92 trails · 268 miles · KY, TN

Lassen National Forest

239 trails · 788 miles · CA

Lincoln National Forest

195 trails · 511 miles · NM, TX

Lolo National Forest

552 trails · 2,409.1 miles · MT, ID

Los Padres National Forest

335 trails · 1,392 miles · CA

Malheur National Forest

211 trails · 1,278.9 miles · OR

Manti-La Sal National Forest

367 trails · 962.9 miles · UT, CO

Mark Twain National Forest

293 trails · 820.4 miles · MO

Medicine Bow-Routt National Forest

368 trails · 1,548.5 miles · CO, WY

Mendocino National Forest

275 trails · 552 miles · CA

Midewin National Tallgrass Prairie

10 trails · 28.5 miles · IL

Modoc National Forest

31 trails · 127.4 miles · CA

Monongahela National Forest

189 trails · 652.6 miles · WV, VA

Mt. Baker-Snoqualmie National Forest

405 trails · 1,735.3 miles · WA

Mt. Hood National Forest

468 trails · 1,312.9 miles · OR

National Forests in Alabama

47 trails · 406.7 miles · AL

National Forests in Florida

95 trails · 641.3 miles · FL

National Forests in Mississippi

84 trails · 404.8 miles · MS

National Forests in North Carolina

605 trails · 2,044.9 miles · NC, TN, GA

National Forests in Texas

84 trails · 450.7 miles · TX

Nebraska National Forest

31 trails · 113.5 miles · NE, SD

Nez Perce-Clearwater National Forest

1,353 trails · 5,197.9 miles · ID, MT

Ochoco National Forest

85 trails · 343.2 miles · OR

Okanogan-Wenatchee National Forest

1,197 trails · 4,918.4 miles · WA

Olympic National Forest

115 trails · 288.7 miles · WA

Ottawa National Forest

3,333 trails · 2,253.6 miles · MI, WI

Ouachita National Forest

5 trails · 32.9 miles · AR

Ozark-St. Francis National Forest

171 trails · 644.3 miles · AR

Payette National Forest

345 trails · 1,881.9 miles · ID, CA

Pike and San Isabel National Forests

558 trails · 2,201.2 miles · CO, KS

Plumas National Forest

397 trails · 653.8 miles · CA

Prescott National Forest

310 trails · 811.1 miles · AZ

Rio Grande National Forest

213 trails · 1,217.9 miles · CO

Rogue River-Siskiyou National Forests

347 trails · 1,354.3 miles · OR, CA

Salmon-Challis National Forest

672 trails · 3,466.3 miles · ID, MT

San Bernardino National Forest

196 trails · 626.7 miles · CA

San Juan National Forest

395 trails · 1,875 miles · CO

Santa Fe National Forest

223 trails · 914.8 miles · NM

Sawtooth National Forest

629 trails · 2,313 miles · ID, UT

Sequoia National Forest

239 trails · 1,008.7 miles · CA

Shasta-Trinity National Forest

362 trails · 1,206.5 miles · CA

Shawnee National Forest

199 trails · 385.2 miles · IL, KY

Shoshone National Forest

250 trails · 1,339.3 miles · WY, MT

Sierra National Forest

546 trails · 1,322.3 miles · CA

Siuslaw National Forest

118 trails · 178.7 miles · OR

Six Rivers National Forest

240 trails · 278.8 miles · CA

Stanislaus National Forest

308 trails · 759.1 miles · CA

Superior National Forest

1,998 trails · 2,769 miles · MN

Tahoe National Forest

423 trails · 1,351.1 miles · CA

Tongass National Forest

592 trails · 946.9 miles · AK

Tonto National Forest

189 trails · 907.1 miles · AZ

Uinta-Wasatch-Cache National Forest

829 trails · 2,690.7 miles · UT, WY

Umpqua National Forest

1,456 trails · 1,233.1 miles · OR

Wallowa-Whitman National Forest

1 trails · 6.6 miles · ID

Wayne National Forest

168 trails · 452.1 miles · OH, WV

White Mountain National Forest

693 trails · 1,563.9 miles · NH, ME

White River National Forest

727 trails · 2,412.8 miles · CO

Willamette National Forest

507 trails · 1,593.7 miles · OR