One river. A closer look.

Explore Rivers of the Northwest & Rockies

Choose a state and explore a river. Find flow readings, local forecasts, seasonal clues and links to access information and official fishing rules.

02 / Choose a river

Washington

Change state ↑5 river pages

Yakima River Canyon scenic viewView full photo ↗
Yakima River Canyon · Hatch & Hackle

Yakima River Canyon

Ringer / Thrall to Roza

Why fish here? Big Canyon scenery, varied trout water and options to explore on foot or by boat.

  • Flow readings and trend charts
  • Local forecast and seasonal clues
  • Access information and official rules
  • Free Canyon map and atlas links
Naches River upstream of the Tieton confluence; broader river context.View full photo ↗
Naches River upstream of the Tieton confluence; broader river context. · Robert Ashworth from Bellingham, WA., USA · CC BY 2.0. Resized; display crop. Not current conditions.

Naches River

Naches valley near the Tieton confluence

Why fish here? A Cascade river where changing tributary flows make current seams worth studying.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
The Spokane River at Don Kardong Bridge in Spokane's University District.View full photo ↗
The Spokane River at Don Kardong Bridge in Spokane's University District. · Will Maupin · CC BY-SA 4.0. Resized; display crop. Not current conditions.

Spokane River

Spokane mainstem urban corridor

Why fish here? Urban access meets riffles, islands and native redband trout water.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
The lower Middle Fork Snoqualmie near Tanner and North Bend, Washington, in July 2022.View full photo ↗
The lower Middle Fork Snoqualmie near Tanner and North Bend, Washington, in July 2022. · Steven Pavlov · CC BY-SA 4.0. Resized; display crop. Not current conditions.

Middle Fork Snoqualmie River

Middle Fork Road corridor near Tanner

Why fish here? Forest, pocket water and a mountain-river outing close to Seattle.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

02 / Choose a river

Montana

Change state ↑7 river pages

The Madison River beside a grassy bank, with an angler casting above the grass and open hills behind.View full photo ↗
The Madison River south of Ennis, Montana, in a USDA photograph from 2018. · Preston Keres / USDA · U.S. public domain. Resized; display crop. Not current conditions.

Madison River

Upper Madison around Cameron and Kirby

Why fish here? Broken riffles and long current lanes on an iconic Montana tailwater.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
Bighorn River below Yellowtail Afterbay near Fort Smith, MontanaView full photo ↗
Bighorn River below Yellowtail Afterbay near Fort Smith, Montana · National Park Service · Public domain. Resized; display crop. Not current conditions.

Bighorn River

Yellowtail Afterbay to Bighorn Access

Why fish here? A productive tailwater where small food and careful drifts reward a closer look.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Atlas updates and river observations
Explore this river Atlas in development
Yellowstone River east of Livingston, MontanaView full photo ↗
Yellowstone River east of Livingston, Montana · Tim Evanson · CC BY-SA 2.0. Resized; display crop. Not current conditions.

Yellowstone River

Paradise Valley near Livingston

Why fish here? Big freestone water with broad bends, riffles and mountain scenery.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
Big Hole River corridor, southwest MontanaView full photo ↗
Big Hole River corridor, southwest Montana · Forest Service Northern Region from Missoula, MT, USA · Public domain. Resized; display crop. Not current conditions.

Big Hole River

Melrose and Divide valley reaches

Why fish here? Open valley water where riffles, bends and seasonal change are easy to compare.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
Clark Fork in Missoula, Montana; downstream context for the Turah focusView full photo ↗
Clark Fork in Missoula, Montana; downstream context for the Turah focus · w_lemay · CC BY-SA 2.0. Resized; display crop. Not current conditions.

Clark Fork River

Mainstem above Missoula near Turah

Why fish here? Broad bends and softer seams on the mainstem above Missoula.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

02 / Choose a river

Utah

Change state ↑2 river pages

Green River scenic viewView full photo ↗
Section A · Melissa A. Lombard / USGS · Public domain

Green River

Section A · Flaming Gorge Dam to Little Hole

Why fish here? Clear tailwater, dramatic red cliffs and a close look at how trout feed.

  • Flow and measured water temperature
  • Local forecast and seasonal clues
  • Access information and official rules
  • Updates on the Green River atlas
Explore this river Atlas in development
The Provo River flows over rounded foreground stones beside golden autumn trees, with low hills and blue sky behind.View full photo ↗
Autumn on the Provo below Jordanelle Dam, Utah, as identified by photographer Murray Foubister; the exact bend is unverified. · Murray Foubister · CC BY-SA 2.0. Resized; display crop. Not current conditions.

Middle Provo River

Jordanelle Dam to Legacy Bridge

Why fish here? Accessible tailwater lanes with a close-up view of small-insect feeding.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

02 / Choose a river

Idaho

Change state ↑6 river pages

Henry's Fork at Last Chance, Idaho; nearby river context outside the Box Canyon focusView full photo ↗
Henry's Fork at Last Chance, Idaho; nearby river context outside the Box Canyon focus · Z3lvs · CC0. Resized; display crop. Not current conditions.

Henry's Fork of the Snake River

Box Canyon below Island Park Dam

Why fish here? Fast tailwater pockets and seams below Island Park Dam.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
South Fork Snake River, IdahoView full photo ↗
South Fork Snake River, Idaho · BLMIdaho · Public domain. Resized; display crop. Not current conditions.

South Fork Snake River

Palisades Dam through Swan Valley toward Heise

Why fish here? Big tailwater bends, canyon scenery and distinct bankside feeding lanes.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
The South Fork Boise flowing past rocks and leafless shrubs, with dry rounded hills and scattered trees beyond.View full photo ↗
The South Fork Boise River near Danskin Rockshelter, Idaho, in November 2010. · Andy Brunelle / U.S. Forest Service · U.S. public domain. Resized; display crop. Not current conditions.

South Fork Boise River

Anderson Ranch Dam canyon tailwater

Why fish here? A canyon tailwater with strong seams, boulder water and seasonal food changes.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
St. Joe River at Red Ives, Idaho; upper-river context, upstream of CalderView full photo ↗
St. Joe River at Red Ives, Idaho; upper-river context, upstream of Calder · Greg Tensmeyer · Public domain. Resized; display crop. Not current conditions.

St. Joe River

Calder and upstream river-road corridor

Why fish here? Clear mountain water with pools, riffles and forested banks to explore.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
North Fork Coeur d'Alene River, IdahoView full photo ↗
North Fork Coeur d'Alene River, Idaho · Forest Service Northern Region from Missoula, MT, USA · Public domain. Resized; display crop. Not current conditions.

North Fork Coeur d'Alene River

Enaville and upstream North Fork corridor

Why fish here? A forested freestone where clear pools connect short pieces of riffle water.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

02 / Choose a river

Oregon

Change state ↑7 river pages

Lower Deschutes River north of Maupin, OregonView full photo ↗
Lower Deschutes River north of Maupin, Oregon · Gary Halvorson, Oregon State Archives · CC BY 4.0. Resized; display crop. Not current conditions.

Lower Deschutes River

Maupin area bank-access corridor

Why fish here? Basalt, broad current lanes and redband trout water in a high-desert canyon.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Atlas updates and river observations
Explore this river Atlas in development
Blue water in the Metolius beside a fallen log and green vegetation, with tall conifers along both banks.View full photo ↗
The Metolius River by Allen Springs Campground in Deschutes National Forest. · U.S. Forest Service- Pacific Northwest Region · U.S. public domain. Resized; display crop. Not current conditions.

Metolius River

Camp Sherman below Allingham Bridge

Why fish here? Clear spring-fed water, forest trails and challenging feeding lanes.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
The Owyhee winding between pale, rugged canyon walls, with green shrubs lining the riverbank.View full photo ↗
The Owyhee River in the canyon below Owyhee Dam, Oregon. · Greg Shine / BLM · CC BY 2.0. Resized; display crop. Not current conditions.

Owyhee River

Tailwater below Owyhee Dam

Why fish here? A desert tailwater with bends, soft seams and deliberate trout feeding.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

02 / Choose a river

Wyoming

Change state ↑3 river pages

The North Platte River bends around a tree-covered bank, with autumn foliage, open grassland and layered bluffs beyond.View full photo ↗
An autumn bend on the North Platte in the Trappers Route corridor, Wyoming; position relative to Grey Reef and Government Bridge is unverified. · Bob Wick / Bureau of Land Management · CC BY 2.0. Resized; display crop. Not current conditions.

North Platte River

Grey Reef Dam to Government Bridge

Why fish here? Open-country tailwater with long seams and plenty of drift to study.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas
A road leads toward a red bridge beside the Snake River in the Hoback area, with forested hills beyond.View full photo ↗
Snake River in the Hoback area, south of Jackson Hole, in September 2014; downstream context, outside the featured valley reach. · Paul Hermans · CC BY-SA 3.0. Resized; display crop. Not current conditions.

Snake River · Jackson Hole

Mainstem below Flat Creek near Jackson

Why fish here? A broad braided river with cutthroat water and mountain-valley scenery.

  • Flow readings and source information
  • Local forecast and seasonal clues
  • Access information and official rules
  • Share observations or request an atlas

Make the connection.

A gauge is one clue. The forecast is another.
Start here, then let what you see on the water guide your next move.