Atlas

Arkansas River

The Arkansas River is the most commercially rafted river in the United States, and it earns that distinction not through...

• Browns Canyon
  Class III 10 mi
• Royal Gorge
  Class III–V 10 mi

Beaverhead River

The Beaverhead River flows north from Clark Canyon Reservoir through the ranchlands of southwest Montana to its...

• Beaverhead Canyon
  Class I–II 10 mi

Colorado River

The Colorado River is the defining waterway of the American Southwest — 1,450 miles from the Rocky Mountain headwaters...

• Cataract Canyon
  Class II–V 41 mi
• Cisco to Dewey Bridge
  Class I 14 mi
• Dewey Bridge to Hittle Bottom
  Class I 8 mi
• Diamond Creek to Pearce Ferry
  Class I–III 51 mi
• Glen Canyon
  Class I 15 mi
• Grand Canyon
  Class III–V 226 mi
• Jackass Canyon
  Class I 10 mi
• Lake Powell
  Class Flatwater 186 mi
• Meander Canyon
  Class I 48 mi
• Moab Daily
  Class I–II+ 13 mi
• Narrow Canyon
  Class I 6 mi
• Ruby–Horsethief Canyon
  Class I–II 25 mi
• The Portal
  Class I 17 mi
• Westwater Canyon
  Class III–IV 17.2 mi

Dolores River

The Dolores River is the river that almost never runs. Rising in the San Juan Mountains near Rico, Colorado, the Dolores...

• Dolores Canyon
  Class II–IV 100 mi

Duchesne River

The Duchesne River drains the south slope of the Uinta Mountains and the western Uinta Basin, flowing approximately 113...

Escalante River

The Escalante River carves 87 miles through the most remote canyon wilderness in the contiguous United States — from the...

• Death Hollow
  Class I–II 25 mi
• Lower Escalante
  Class I 40 mi
• Upper Escalante Canyon
  Class I 22 mi

Green River

The Green River is the longest tributary of the Colorado River and the primary feeder of the Colorado Plateau's canyon...

• A Section
  Class I–II 7 mi
• B Section
  Class I–II 9 mi
• Browns Park
  Class I–II 18 mi
• Swallow Canyon
  Class I–II 12 mi
• Desolation Canyon
  Class II–IV 66 mi
• Gray Canyon
  Class II–III 18 mi
• Island Park
  Class I 8 mi
• Labyrinth Canyon
  Class I 68 mi
• Lodore Canyon
  Class III–IV 17 mi
• Rainbow Park
  Class I 7 mi
• Seedskadee
  Class I 36 mi
• Split Mountain
  Class III–IV 9 mi
• Stillwater Canyon
  Class I 52 mi
• Green River Town Reach
  Class I 10 mi
• Uintah Basin
  Class I 100 mi
• Whirlpool Canyon
  Class II–III 8 mi

Jordan River

The Jordan River is a 51-mile urban waterway flowing north from Utah Lake in Lehi through the Salt Lake Valley to the...

• Big Cottonwood Creek
  Class I 5 mi
• City Creek
  Class I 3 mi
• Little Cottonwood Creek
  Class I 5 mi
• Jordan River — North Section
  Class I 15 mi
• Jordan River — South Section
  Class I 35 mi

Lochsa River

The Lochsa River is one of the most demanding continuous whitewater runs in the Northern Rockies — a 30-mile corridor of...

• Lochsa Canyon
  Class III–IV+ 30 mi

Madison River

The Madison River begins where the Firehole and Gibbon rivers merge inside Yellowstone National Park, flows north...

• Bear Trap Canyon
  Class III–IV 9 mi

Main Salmon River

The Main Salmon River earned its name — the River of No Return — from the early miners and settlers who floated...

• Main Salmon
  Class III–IV 80 mi

Middle Fork Flathead River

The Middle Fork of the Flathead River forms the southern boundary of Glacier National Park and runs through some of the...

• Middle Fork Flathead Canyon
  Class II–III 55 mi

Middle Fork of the Salmon River

The Middle Fork of the Salmon River is widely regarded as the finest multi-day river trip in the lower 48 states. One...

• Middle Fork of the Salmon
  Class III–IV 100 mi

Price River

The Price River drains the eastern Wasatch Plateau and Castle Valley of central Utah, flowing roughly 100 miles east...

Salt River

The Salt River is Arizona's whitewater river — the only significant multi-day canyon run in a state better known for its...

• Salt River Canyon
  Class II–IV 20 mi

San Juan River

The San Juan River rises in the high San Juan Mountains of southwestern Colorado and descends 383 miles through the Four...

• Clay Hills to Lake Powell
  Class I 26 mi
• Lower San Juan River
  Class I–II 84 mi
• Upper San Juan
  Class I–II 120 mi

Snake River (Wyoming)

The upper Snake River in Wyoming is one of the most iconic scenic rivers in the American West. Rising in Yellowstone...

• Snake River — Alpine Canyon
  Class II–III 8 mi
• Snake River — Deadmans Bar
  Class I–II 5 mi
• Snake River — Grand Teton
  Class I–II 10 mi

South Fork of the Snake River

The South Fork of the Snake River is eastern Idaho's great float — a 65-mile tailwater below Palisades Dam that winds...

• South Fork Snake Canyon
  Class II–III 30 mi

Vorderrhein

The Vorderrhein — the Anterior Rhine — is the longer of the two source rivers of the Rhine, rising from Lake Toma near...

• Rhine Gorge (Ruinaulta)
  Class II–III 8 mi

White River

The White River rises on the Flat Tops of Colorado's White River Plateau and flows 195 miles west through the Piceance...

Yampa River

The Yampa River is the last major free-flowing tributary of the Colorado River — the only significant river in the...

• Cross Mountain Canyon
  Class III–V 5 mi
• Little Yampa Canyon
  Class I–II
• Lower Yampa Valley
  Class I–II
• Yampa Canyon
  Class III–V 46 mi