| 5E4 (Brimstone Bay) | Yellowstone - Southeast / Thorofare | | | | |
| 5E7 (Meadow Creek) | Yellowstone - Southeast / Thorofare | | | | |
| 5E8 (Park Point S) | Yellowstone - Southeast / Thorofare | | | | |
| 5E9 (Park Point N) | Yellowstone - Southeast / Thorofare | | | | |
| Agate House | | | | | |
| Agnes Gorge Trail | Lake Chelan National Rec. Area (North Cascades N.P.) | | | | |
| Angel Arch | Canyonlands NP-Needles | | | | |
| Antelope House Overlook | Chinle | | | | |
| Appleton Pass Trail | Olympic National Park | | | | |
| Artist Point-Point Sublime Trail | Yellowstone - Canyon Region | | | | |
| Artist's Paintpots Trail | Yellowstone - Northwest Region | | | | |
| Artist's Paintpots Trail (upper loop) | Yellowstone - Northwest Region | | | | |
| Aspen Ridge Trail | Laurance Rockefeller Preserve | | | | |
| Astringent Creek Trail | Yellowstone - Central Region | | | | |
| Avalanche Peak Trail | Yellowstone - Southeast / Thorofare | | | | |
| AZT - North Kaibab | Grand Canyon National Park | | | | |
| Badger Valley Trail | Olympic National Park | | | | |
| Balanced Rock Trail | Black Canyon of the Gunnison National Park | | | | |
| Bath Rock Trail | City of Rocks | | | | |
| Beauty/Boy Scout Caves | Craters of the Moon National Monument | | | | |
| Beaver Creek | Central Lakes | | | | |
| Beef Jello/Banana Trail | City of Rocks | | | | |
| Big Badlands Overlook | Badlands National Park | | | | |
| Big Beaver Trail | North Cascades National Park | | | | |
| Big Cedar Nature Trail | Olympic Peninsula | | | | |
| Big Creek Trail | Olympic National Park | | | | |
| Big Spring Canyon | Canyonlands NP-Needles | | | | |
| Big Spring to Elephant Canyon | Canyonlands NP-Needles | | | | |
| Big Tree Trail | Oregon Caves National Monument | | | | |
| Bigelow Lakes Trail | Oregon Caves National Monument | | | | |
| Billings Gap | | | | | |
| Blackberry Trail | Mount Rushmore National Memorial | | | | |
| Blacktail Deer Creek Trail | Yellowstone - Northwest Region | | | | |
| Bliss Pass Trail | Yellowstone - Northeast Region | | | | |
| Blue Forest | | | | | |
| Blue Mesa Loop Trail | Petrified Forest National Park | | | | |
| Bogachiel River Trail | Olympic National Park | | | | |
| Boland Ridge Trail | Wind Cave National Park | | | | |
| Bootjack Gap Trail | Yellowstone - Central Region | | | | |
| Boston Basin | North Cascades National Park | | | | |
| Boulder Field cutoff | Laurance Rockefeller Preserve | | | | |
| Boulder Ridge Loop | Laurance Rockefeller Preserve | | | | |
| Box Top Trail | City of Rocks | | | | |
| Bradley Lake | Central Lakes | | | | |
| Breadloaves Trail | City of Rocks | | | | |
| Brimhall Arch Trail | Capitol Reef National Park | | | | |
| Brink of the Falls Trail | Yellowstone - Canyon Region | | | | |
| Broken Top Loop Trail | Craters of the Moon National Monument | | | | |
| Brush Creek Trail | North Cascades National Park | | | | |
| Bryce Canyon Multiuse Path | Panguitch | | | | |
| Buckner Orchard | Lake Chelan National Rec. Area (North Cascades N.P.) | | | | |
| Buffalo Fork Trail | Yellowstone - Northeast Region | | | | |
| Bullion Trail | Lake Chelan National Rec. Area (North Cascades N.P.) | | | | |
| Burro Wash | Capitol Reef National Park | | | | |
| Cache Creek Trail | Yellowstone - Central Region | | | | |
| Cameron - Lost Pass Trail | Olympic National Park | | | | |
| Cameron Creek Trail | Olympic National Park | | | | |
| Cameron Pass Trail | Olympic National Park | | | | |
| Camp 2C1 Access | Yellowstone - Northeast Region | | | | |
| Camp 2C3 Access | Yellowstone - Northeast Region | | | | |
| Camp 2H2 Access | Yellowstone - Northeast Region | | | | |
| Camp 2H6 Access | Yellowstone - Northeast Region | | | | |
| Campsite 2H1 Access | Yellowstone - Northwest Region | | | | |
| Campsite 2H4 Access | Yellowstone - Northwest Region | | | | |
| Canoe Lake Trail | Yellowstone - Central Region | | | | |
| Canyons Trail | Jewel Cave National Monument | | | | |
| Canyons Trail (Spur) | Jewel Cave National Monument | | | | |
| Capitol Gorge | Capitol Reef National Park | | | | |
| Cascade Creek Trail | Yellowstone - Canyon Region | | | | |
| Cascade Lake Trail | Yellowstone - Canyon Region | | | | |
| Cascade Pass Road | North Cascades National Park | | | | |
| Castle Arch Trail | Canyonlands NP-Needles | | | | |
| Cave Creek Trail | Oregon Caves National Monument | | | | |
| Cave Spring Trail | Canyonlands NP-Needles | | | | |
| Caves Trail | Craters of the Moon National Monument | | | | |
| Cedar Point Nature Trail | Black Canyon of the Gunnison National Park | | | | |
| Centennial Trail (Wind Cave NP) | Wind Cave National Park | | | | |
| Chasm View Trail | Black Canyon of the Gunnison National Park | | | | |
| Chesler Park | Canyonlands NP-Needles | | | | |
| Chesler Park Connector | Canyonlands NP-Needles | | | | |
| Chilliwack River Trail | North Cascades National Park | | | | |
| Chimney Rock | Torrey | | | | |
| Chimney Rock Canyon | Capitol Reef National Park | | | | |
| Chisha Foka Trail | Chisha Foka Trail | | | | |
| Chittenden Road-Mt. Washburn | Yellowstone - Canyon Region | | | | |
| Clear Lake Connector | Yellowstone - Canyon Region | | | | |
| Clear Lake Trail | Yellowstone - Canyon Region | | | | |
| Cliff Nature Trail | Oregon Caves National Monument | | | | |
| Cliff Shelf Nature Trail | Badlands National Park | | | | |
| Cliff Shelf Nature Trail (Spur) | Badlands National Park | | | | |
| Cold Brook Canyon Trail | Wind Cave National Park | | | | |
| Confluence Overlook | Canyonlands NP-Needles | | | | |
| Confluence Overlook (End) | Canyonlands NP-Needles | | | | |
| Confluence Overlook Road | Canyonlands NP-Needles | | | | |
| Constance Pass Trail | Olympic National Park | | | | |
| Cottonwood Pass Trail | Great Sand Dunes National Park and Preserve | | | | |
| Cottonwood Wash | Capitol Reef National Park | | | | |
| Coyote Creek Trail | Yellowstone - Northeast Region | | | | |
| Craters XC Ski Trail | Craters of the Moon National Monument | | | | |
| Craters XC Ski Trail (Paisley-Inferno) | Craters of the Moon National Monument | | | | |
| Creekside Trail | City of Rocks | | | | |
| Crystal Forest Loop | Petrified Forest National Park | | | | |
| Crystal Lake | Mount Rainier National Park | | | | |
| Cyclone Canyon | Canyonlands NP-Needles | | | | |
| Cygnet Lakes | Yellowstone - Canyon Region | | | | |
| Davis Gulch | Glen Canyon National Recreation Area - UT | | | | |
| Deadhorse Trail | Black Canyon of the Gunnison National Park | | | | |
| Deer Park Road | Olympic National Park | | | | |
| Denali Park Road | Denali National Park And Preserve | | | | |
| Devils Kitchen | Canyonlands NP-Needles | | | | |
| Devils Lane | Canyonlands NP-Needles | | | | |
| Devils Orchard | Craters of the Moon National Monument | | | | |
| Devils Orchard Nature Trail | Craters of the Moon National Monument | | | | |
| Devils Pocket | Canyonlands NP-Needles | | | | |
| Door Trail | Badlands National Park | | | | |
| Door Trail | Badlands National Park | | | | |
| Dosewallips River Trail | Olympic National Park | | | | |
| Down River Loop | Riverside Ski Trails | | | | |
| Dragon Point Trail | Black Canyon of the Gunnison National Park | | | | |
| Druid Arch | Canyonlands NP-Needles | | | | |
| Dunraven Pass-Mt. Washburn Trail | Yellowstone - Canyon Region | | | | |
| East Bison Flats Trail | Wind Cave National Park | | | | |
| East Fork Quinault River Trail | Olympic National Park | | | | |
| Elephant Back Mountain Trail (Loop) | Yellowstone - Lake Area | | | | |
| Elephant Back Mountain Trail (Lower) | Yellowstone - Lake Area | | | | |
| Elephant Canyon | Canyonlands NP-Needles | | | | |
| Elephant Hill (4x4) | Canyonlands NP-Needles | | | | |
| Elip Creek Trail | Olympic National Park | | | | |
| Elwha River Trail | Olympic National Park | | | | |
| Exclamation Point Loop (North Vista) | Black Canyon of the Gunnison National Park | | | | |
| Fern Lake Trail | Yellowstone - Central Region | | | | |
| First Forest | Petrified Forest National Park | | | | |
| Flaming Rock Loop | City of Rocks | | | | |
| Fortress Arch spur | Canyonlands NP-Needles | | | | |
| Fossil Exhibit | Badlands National Park | | | | |
| Frost Lake Trail | Yellowstone - Central Region | | | | |
| Garnet Hill Loop | Yellowstone - Northwest Region | | | | |
| Garnet Hill Trailhead Connector | Yellowstone - Northwest Region | | | | |
| Garvey Springs Trail | Worthington State Forest | | | | |
| Geo Watt | City of Rocks | | | | |
| Giant Logs Loop | Petrified Forest National Park | | | | |
| Gneiss Creek | Yellowstone - Northwest Region | | | | |
| Golden Throne Trail | Capitol Reef National Park | | | | |
| Goosenecks Overlook | Capitol Reef National Park | | | | |
| Gorge Creek Falls | North Cascades National Park | | | | |
| Gorge Lake Overlook | North Cascades National Park | | | | |
| Grand Pass Peak Trail | Olympic National Park | | | | |
| Grand Pass Trail | Olympic National Park | | | | |
| Grand Prismatic Spring Overlook | Yellowstone - Old Faithful Region | | | | |
| Granite Canyon Trail (lower) | Grand Teton National Park | | | | |
| Grebe Lake Trail | Yellowstone - Canyon Region | | | | |
| Halemau‘u Trail | Haleakalā National Park | | | | |
| Halls Creek Access Trail | Capitol Reef National Park | | | | |
| Halls Creek Narrows | Capitol Reef National Park | | | | |
| Halls Creek Trail (lower) | Capitol Reef National Park | | | | |
| Halls Creek Trail (Narrows Cutoff) | Capitol Reef National Park | | | | |
| Hayden Pass Trail | Olympic National Park | | | | |
| Headquarters Canyon | Capitol Reef National Park | | | | |
| Hellroaring Creek Horse Bypass | Yellowstone - Northeast Region | | | | |
| Hellroaring Creek Trail | Yellowstone - Northeast Region | | | | |
| Hellroaring-Garnet Hill Connector | Yellowstone - Northeast Region | | | | |
| Hidden Falls Connector | Central Lakes | | | | |
| Hidden Falls Trail | Central Lakes | | | | |
| Hidden Lake Trail (Lookout) | North Cascades National Park | | | | |
| High Divide Trail | Mount Olympus | | | | |
| Highland Creek | Wind Cave National Park | | | | |
| Highland Ridge Road | Wind Cave National Park | | | | |
| Hite Overlook | North Wash | | | | |
| Hoodoo Basin Trail | Yellowstone - Central Region | | | | |
| Horse Canyon | Canyonlands NP - The Maze | | | | |
| Horse Canyon Jeep | Canyonlands NP-Needles | | | | |
| Horse Shoe Bend | Glen Canyon National Recreation Area - AZ | | | | |
| Howard Eaton Trail (Norris-Cascade Lake) | Yellowstone - Canyon Region | | | | |
| Howitzer Capture Site | Big Hole Battlefield | | | | |
| Hurricane Hill | Olympic National Park | | | | |
| Ice Lake Trail | Yellowstone - Canyon Region | | | | |
| Indian Grove Trail | City of Rocks | | | | |
| Indian Tunnel | Craters of the Moon National Monument | | | | |
| Inferno Cone | Craters of the Moon National Monument | | | | |
| Inferno Loop | Craters of the Moon National Monument | | | | |
| Inferno Loop | Craters of the Moon National Monument | | | | |
| Inferno Loop | Craters of the Moon National Monument | | | | |
| Irely Lake Trail | Olympic National Park | | | | |
| Island Peaks Trail | Black Canyon of the Gunnison National Park | | | | |
| Jackson Lake Lodge Trail | Two Ocean Lake | | | | |
| Jacob Hamblin Arch "Cheat Route" | Glen Canyon National Recreation Area - UT | | | | |
| Jailhouse Rock-Temple Rock | Capitol Reef National Park | | | | |
| Jasper Forest | Petrified Forest National Park | | | | |
| Jenny Lake South Shoreline | Central Lakes | | | | |
| Joint | Canyonlands NP-Needles | | | | |
| Joyner Ridge Trail | Devils Tower National Monument | | | | |
| Ka Moa o Pele Loop | Haleakalā National Park | | | | |
| Kapalaoa | Haleakalā National Park | | | | |
| Kaupō Trail | Haleakalā National Park | | | | |
| Keonehe‘ehe‘e (Sliding Sands) | Haleakalā National Park | | | | |
| Kestner Homestead Trail | Olympic National Park | | | | |
| Klahhane Ridge Trail | Olympic National Park | | | | |
| Kūloa Point | Haleakalā National Park | | | | |
| LaCrosse Basin Way Trail | Olympic National Park | | | | |
| LaCrosse Pass Trail | Olympic National Park | | | | |