Best Fly Fishing Rivers in the West
The best fly fishing rivers in the American West combine exceptional trout density, diverse hatches, and reliable public access. Our rankings score 31 rivers across Montana, Colorado, Wyoming, Idaho, Oregon, and Washington based on trout per mile, hatch diversity, and access points.
Last updated: February 2025
| Rank | River | State | Water Type | Trout/Mile | Hatch Types |
|---|---|---|---|---|---|
| #1 | San Juan River | NM | Tailwater | 15,000+ in Special Trout Water section; among the highest trout densities in North America | 7 |
| #2 | Gunnison River | Colorado | Tailwater | ~7,000 in the Gunnison Gorge, highest density in Colorado | 9 |
| #3 | Crooked River | Oregon | Tailwater | 4,000-8,000+ (peak estimates exceed 8,000 redband trout per mile in best reaches) | 7 |
| #4 | Colorado River at Lees Ferry | AZ | Tailwater | 5,000-8,000 rainbow trout per mile | 6 |
| #5 | Missouri River | Montana | Tailwater | 5,000-7,000 (Holter Dam to Craig section; among the highest densities in North America) | 7 |
| #6 | Arkansas River | Colorado | Freestone | 3,000-5,000 (Buena Vista to Canon City stretch); up to 5,000+ in best sections | 9 |
| #7 | Lower Sacramento River | CA | Tailwater | 3,500-5,000 in prime sections | 7 |
| #8 | South Platte River | Colorado | Tailwater | 3,000-5,000 in Gold Medal sections | 8 |
| #9 | Spring Creek | PA | Limestone Spring Creek | 3,000-5,000 wild brown trout in catch-and-release section | 8 |
| #10 | Hot Creek | CA | Spring Creek | 3,000-5,000 (exceptionally high density) | 6 |
| #11 | Madison River | Montana | Freestone | 3,000-4,000 (upper river between Quake Lake and Ennis Lake) | 8 |
| #12 | Frying Pan River | Colorado | Tailwater | 2,500-4,000 (Gold Medal section) | 8 |
| #13 | Hat Creek | CA | Spring Creek | 2,500-4,000 in Wild Trout Section | 7 |
| #14 | East Walker River | NV | Tailwater | 2,500-4,000 in upper catch-and-release section | 7 |
| #15 | North Platte River | Wyoming | Tailwater | 5,200+ (upper Grey Reef section); 1,500-2,500 (Miracle Mile) | 9 |
All 31 Rivers Ranked
San Juan River
The San Juan River below Navajo Dam is widely regarded as one of the finest tailwater fisheries in the American West and is unquestionably New Mexico's premier fly fishing destination. With extraordin
Gunnison River
The Gunnison through Black Canyon is Colorado's premier trophy brown trout water. Remote canyon access rewards adventurous anglers with fish over 20 inches.
Crooked River
Oregon's Crooked River below Bowman Dam is a productive tailwater with 3,000+ redband trout per mile. Technical nymphing in tight canyon water with year-round fishing.
Colorado River at Lees Ferry
Lees Ferry is Arizona's most celebrated fly fishing destination, offering a world-class tailwater fishery in the dramatic landscape between Glen Canyon Dam and the Grand Canyon. This 15.5-mile stretch
Missouri River
The Missouri below Holter Dam is arguably the most productive trout river in the Lower 48, with over 3,500 rainbow and brown trout per mile. Legendary PMD, trico, and midge hatches make it a year-round destination.
Arkansas River
Colorado's Arkansas through Brown's Canyon packs 3,000-5,000 trout per mile into accessible mountain water. Outstanding float fishing with diverse hatches from caddis to PMDs.
Lower Sacramento River
The Lower Sacramento River below Keswick Dam is widely considered the premier fly fishing tailwater in California and one of the best trout rivers in the western United States. Cold, nutrient-rich wat
South Platte River
Colorado's South Platte system — particularly Cheesman Canyon and Elevenmile — challenges anglers with ultra-clear water and technical conditions. The reward is large, selective trout.
Spring Creek
Spring Creek is Pennsylvania's most technical and challenging limestone spring creek, flowing through the State College area with gin-clear water, highly selective brown trout, and some of the most de
Hot Creek
Hot Creek is arguably the most technically demanding trout stream in California, a short spring creek near Mammoth Lakes that packs an extraordinary density of large, wild trout into a remarkably smal
Madison River
Montana's Madison combines a 50-mile riffle of pocket water with the legendary salmonfly hatch. Accessible, wade-friendly, and packed with aggressive rainbow and brown trout.
Frying Pan River
Colorado's Frying Pan below Ruedi Reservoir is one of the most productive tailwaters in the West. Dense midge and PMD hatches fuel exceptional trout growth in crystal-clear water.
Hat Creek
Hat Creek's Wild Trout Section is one of the most technically demanding spring creek fisheries in the American West. This 3.5-mile stretch of glassy, slow-moving water holds large, extremely selective
East Walker River
The East Walker River below Bridgeport Reservoir is a premier Nevada tailwater offering technical dry fly fishing for wild brown and rainbow trout in a scenic high-desert canyon. This is one of the mo
North Platte River
Wyoming's Grey Reef section of the North Platte is one of the West's great tailwaters, with trophy browns and rainbows averaging 16-20 inches in wadeable water.
South Fork Snake River
The South Fork of the Snake River below Palisades Dam is one of the finest big-river trout fisheries in the American West, carving through a dramatic basalt canyon with towering cottonwood forests. Ho
Deschutes River
Oregon's Deschutes is the premier summer steelhead and trout river east of the Cascades. Prolific salmonfly hatches, wild redband rainbows, and 100 miles of canyon water.
Colorado River
The Colorado through Glenwood Canyon offers big water and big fish. Large rainbow and brown trout in a dramatic canyon setting with good float access.
Upper Connecticut River
The Upper Connecticut River in Pittsburg, New Hampshire, represents the headwaters of New England's longest river and offers world-class fly fishing for landlocked Atlantic salmon, brook trout, brown
Bighorn River
Montana's Bighorn below Yellowtail Dam packs 3,000+ trout per mile into gin-clear tailwater. The midge and scud populations fuel rapid growth, producing heavy browns and rainbows with year-round consistency.
Henry's Fork
The Railroad Ranch section of Idaho's Henry's Fork is the ultimate test in dry fly fishing. Huge, selective rainbows rise to complex hatches in spring-creek conditions — a must-fish for technical anglers.
South Fork Boise River
The South Fork of the Boise River below Anderson Ranch Dam is southwestern Idaho's premier tailwater trout fishery, flowing through a remote mountain canyon with exceptional populations of wild rainbo
Big Spring Creek
Big Spring Creek is a pristine limestone spring creek flowing through Cumberland Valley with exceptional water clarity, large wild brown trout, and highly technical fishing. This short but legendary c
Spruce Creek
Spruce Creek is one of Pennsylvania's most legendary and exclusive limestone spring creeks, known for exceptionally large wild brown trout, gin-clear water, and limited public access. This pristine sp
Yellowstone River
The longest free-flowing river in the Lower 48, Montana's Yellowstone delivers epic salmonfly hatches, aggressive cutthroat, and stunning scenery from Yellowstone Park to Livingston.
Yakima River
Washington's Yakima is the state's premier wild trout river, with catch-and-release regulations protecting a robust population of rainbow trout through scenic canyon floats.
Rio Chama
The Rio Chama is arguably one of the most underrated and diverse trout rivers in the West, flowing from the Colorado border through high mountain forests and stunning Wild and Scenic canyons before re
Silver Creek
Idaho's Silver Creek is one of the West's legendary spring creeks. Sight-fishing to large, selective trout on the Nature Conservancy preserve near Sun Valley.
Snake River
The Snake River through Jackson Hole is one of the most scenic fly fishing destinations in America, flowing beneath the towering Teton Range through Grand Teton National Park. Home to the native Snake
Rio Grande
The Rio Grande through Taos County is one of the most dramatic fly fishing settings in the American West, carving through an 800-foot volcanic basalt gorge below the surrounding mesa. This powerful fr
Gallatin River
The Gallatin through its namesake canyon offers classic pocket water fishing with easy access from Bozeman. Cutthroat, rainbow, and brown trout respond well to dry-dropper rigs.
Androscoggin River
The Androscoggin River in northern New Hampshire offers exceptional fly fishing for rainbow, brown, and brook trout, plus landlocked Atlantic salmon in the upper reaches near Errol. Flowing from Lake
Yellow Breeches Creek
Yellow Breeches Creek is a productive limestone spring creek flowing through Cumberland County in south-central Pennsylvania, offering accessible fishing for wild and stocked trout near Harrisburg. Kn
Bighorn River (Wyoming)
Wyoming's Bighorn through Wind River Canyon offers large brown and rainbow trout in a scenic, less-pressured alternative to its famous Montana counterpart.
McKenzie River
Oregon's McKenzie is the birthplace of the drift boat and home to wild rainbow trout in one of the Pacific Northwest's most beautiful settings.
Klickitat River
The Klickitat cuts through a deep canyon in southern Washington, offering summer steelhead and wild trout in remote, uncrowded water.
Green River
The Green River below Fontenelle Dam in southwest Wyoming is a hidden gem tailwater flowing through the remote high desert of Seedskadee National Wildlife Refuge. Trophy brown trout exceeding 20 inche
Pecos River
The Pecos River is New Mexico's most beloved and accessible mountain trout stream, flowing through the heart of the southern Sangre de Cristo Mountains less than an hour from Santa Fe. This beautiful
Metolius River
Central Oregon's Metolius is a gin-clear spring creek with a mystical reputation. Wild bull trout and redbands in old-growth forest — challenging but unforgettable.
Penns Creek
Penns Creek is Pennsylvania's most celebrated wild trout stream, flowing through 60 miles of limestone-enriched valleys and mountain terrain in central Pennsylvania. Known for its prolific Green Drake
Slate Run
Slate Run is a pristine mountain freestone stream flowing through the remote Pine Creek Gorge area of north-central Pennsylvania, renowned for exceptional wild brook trout fishing in a wilderness sett
Tulpehocken Creek
Tulpehocken Creek is a productive tailwater fishery flowing below Blue Marsh Dam in Berks County, offering consistent year-round fishing for stocked and wild trout near Reading. Known for stable flows
New Fork River
Wyoming's New Fork flows from the Wind Rivers through ranching country, offering uncrowded fishing for cutthroat and brown trout in pristine mountain water.
Methow River
Washington's Methow flows crystal-clear through the North Cascades, with wild trout and summer steelhead in one of the state's most scenic valleys.
Salmon River
The Salmon River, Idaho's famed 'River of No Return,' is the longest undammed river in the lower 48 states, flowing 425 miles through the heart of the Frank Church River of No Return Wilderness. Home
Davidson River
The Davidson River is North Carolina's premier wild trout stream, flowing through the heart of Pisgah National Forest in Transylvania County. With over 8 miles of Delayed Harvest water, exceptional ac
Saco River
The Saco River flows through the heart of New Hampshire's Mount Washington Valley, offering crystal-clear water, exceptional brown trout fishing, and some of the most scenic fly fishing in New England
Truckee River
The Truckee River flows 121 miles from Lake Tahoe through downtown Reno and into Pyramid Lake, offering easily accessible urban fly fishing with wild rainbow and brown trout in the heart of Nevada's l
Big Fishing Creek
Big Fishing Creek flows through the scenic mountains of north-central Pennsylvania, offering excellent limestone-enriched freestone fishing for wild brown and brook trout. Known for diverse hatches, b
Upper Sacramento River
The Upper Sacramento River above Shasta Lake is a classic freestone mountain trout stream that flows through the historic railroad town of Dunsmuir and along the I-5 corridor. Despite its proximity to
Pemigewasset River
The Pemigewasset River flows 65 miles through the heart of New Hampshire's White Mountains, offering diverse fly fishing from small stream headwaters at Profile Lake to broad freestone water in the lo
Fall River
Fall River is one of the purest spring creeks in the world, fed entirely by massive volcanic springs that push millions of gallons of crystal-clear, cold water from the Modoc Plateau. The river meande
Truckee River
The Truckee River flows out of Lake Tahoe and winds through the mountain town of Truckee, offering accessible fly fishing in the heart of the Sierra Nevada. The California section provides a mix of po
Little Juniata River
The Little Juniata River is a productive limestone-enriched freestone river flowing through the scenic Allegheny Mountains of central Pennsylvania. Known for excellent wild brown trout populations, di
Skagit River
Washington's Skagit is the state's premier winter steelhead river, with wild fish in a stunning North Cascades setting.
Oak Creek
Oak Creek flows through one of Arizona's most scenic canyons near Sedona, offering challenging fly fishing for wild brown, rainbow, and brook trout in a stunning red rock landscape. This freestone cre
Pit River
The Pit River is one of California's most underrated and challenging trout fisheries, flowing through a rugged volcanic canyon east of Redding. Divided into numbered reaches separated by PG&E powerhou
East Fork Carson River
The East Fork Carson River flows from the Sierra Nevada through scenic Carson Valley, offering accessible fly fishing for wild rainbow, brown, and Lahontan cutthroat trout in a pastoral high-desert se
McCloud River
The McCloud River holds a legendary place in American fly fishing history as the source of rainbow trout eggs that were shipped worldwide in the late 1800s. Today, the river harbors a genetically dist
Tuckasegee River
The Tuckasegee River below Bryson City offers North Carolina anglers a taste of Western-style tailwater fishing, with year-round fishable flows, Delayed Harvest regulations, and consistent populations
Kettle Creek
Kettle Creek flows through the remote mountains of north-central Pennsylvania, offering excellent wild brook and brown trout fishing in a wilderness setting. Known for beautiful pocket water, abundant
Souhegan River
The Souhegan River flows 33 miles through Milford and Merrimack in southern New Hampshire, featuring a popular Delayed Harvest section in Milford with special catch-and-release regulations, heavy stoc
East Walker River
The East Walker River below Bridgeport Reservoir is one of the finest brown trout tailwaters in the Sierra Nevada, known for producing trophy-class fish that regularly exceed 20 inches. Cold releases
Nantahala River
The Nantahala River below Nantahala Lake is North Carolina's most unique trout fishery, combining frigid tailwater flows, year-round trout habitat, and the stunning scenery of the Nantahala Gorge. Des
South Toe River
The South Toe River flows through the scenic Black Mountain range of Western North Carolina, offering productive Wild Trout fishing in a beautiful rural valley setting. With excellent roadside access,
Ammonoosuc River
The Ammonoosuc River flows 55 miles from its origin at the Lakes of the Clouds on Mount Washington westward through Bethlehem, Littleton, and Lisbon before joining the Connecticut River in Haverhill.
Battenkill River
The Battenkill River is Vermont's most famous trout stream, a world-renowned destination for fly fishing that has drawn anglers for over a century. With its wild brown trout, technical dry fly fishing
Baker River
The Baker River flows 36 miles through the scenic towns of Warren, Wentworth, and Rumney before joining the Pemigewasset River at Plymouth. Home to the Warren Fish Hatchery and stocked with brook, bro
Deerfield River (Upper)
The upper Deerfield River in Vermont offers excellent tailwater fly fishing below Searsburg Dam, with reliable hatches, technical dry fly fishing, and healthy populations of brown and rainbow trout. T
Swift River
The Swift River flows 26 miles through the heart of the White Mountain National Forest along the scenic Kancamagus Highway, offering pristine wild brook trout fishing in pocket water, plunges, and poo
Upper Klamath River
The Upper Klamath River is undergoing a historic transformation following the largest dam removal project in American history. With the removal of four dams completed in 2024, the river is reopening t
Ellis River
The Ellis River is a 16-mile freestone stream flowing from Pinkham Notch at the base of Mount Washington through the scenic village of Jackson before joining the Saco River at Glen. Known for wild bro
Watauga River
The Watauga River in the High Country of Northwestern North Carolina offers a mix of freestone pocket water and meadow runs flowing through scenic valley farmland. With Wild Trout designation, excelle
East Fork Black River
The East Fork of the Black River offers a wilderness fly fishing experience for Arizona's native Apache trout in a remote White Mountains setting. This pristine freestone stream flows through dense fo
New Haven River
The New Haven River is a pristine, cold mountain stream flowing through the towns of Ripton, Lincoln, and Bristol, offering excellent fly fishing for wild brook trout and stocked rainbow and brown tro
White River
The White River is a 60-mile free-flowing tributary of the Connecticut River that offers exceptional wild rainbow trout fishing alongside populations of wild brown and native brook trout. Known for pr
East Outlet of the Kennebec River
The East Outlet of the Kennebec River is a short but spectacular fly-fishing-only stretch flowing 3.5 miles from Moosehead Lake to Indian Pond, producing some of the finest landlocked Atlantic salmon
Upper Kennebec River
The Upper Kennebec River below Harris Dam is one of Maine's premier trophy trout fisheries, producing remarkable brown trout, rainbow trout, brook trout, and landlocked salmon in the dramatic gorge se
Mascoma River
The Mascoma River flows 31 miles through Canaan, Enfield, and Lebanon in western New Hampshire, featuring a fly fishing only section below Mascoma Lake, landlocked Atlantic salmon near the lake, and p
French Broad River
The French Broad River is Western North Carolina's premier warmwater fly fishing destination, offering exceptional smallmouth bass fishing within minutes of downtown Asheville. While the upper reaches
Rocky Ford Creek
Washington's Rocky Ford is a spring creek phenomenon in the Columbia Basin — massive rainbow trout in clear water surrounded by desert. Sight-fishing heaven.
Wilson Creek
Wilson Creek flows through the rugged backcountry of Pisgah National Forest, offering adventurous fly fishers a wilderness trout experience. Designated as Wild Trout water and protected within the Wil
Walloomsac River
The Walloomsac River near Bennington offers accessible fly fishing for wild brown and rainbow trout in a pastoral Vermont setting. With a two-mile trophy section featuring fish ranging 16 to 20 inches
Kennebago River
The Kennebago River near Rangeley is one of Maine's most cherished wild brook trout streams, a fly-fishing-only sanctuary that produces native brookies up to 5 pounds and landlocked Atlantic salmon in
Magalloway River
The Magalloway River below Aziscohos Dam is one of western Maine's finest cold-water fisheries, producing rainbow trout, brown trout, brook trout, and landlocked Atlantic salmon in a remote stretch of
Chevelon Creek
Chevelon Creek carves a remote canyon through the Mogollon Rim country, offering adventurous anglers a chance at large wild brown trout in a spectacular wilderness setting. Access requires a challengi
Linville River
The Linville River carves one of the most dramatic gorges in the Eastern United States, plunging 2,000 feet through the Blue Ridge escarpment in a series of spectacular waterfalls and wild pocket wate
Lamoille River
The Lamoille River courses through Northern Vermont for 85 miles, offering diverse fishing opportunities for rainbow trout, brook trout, and landlocked Atlantic salmon. With good access, scenic mounta
Winooski River
The Winooski River is northern Vermont's premier fly fishing destination, flowing 90 miles from Cabot to Lake Champlain through diverse terrain. With wild brown trout, stocked rainbows, native brook t
John Day River
Oregon's John Day is the longest undammed river in the state, with multi-day float trips through high desert canyon and healthy populations of wild smallmouth and trout.
West Branch Penobscot River
The West Branch of the Penobscot River below Ripogenus Dam is widely considered the finest landlocked Atlantic salmon river in the continental United States. This legendary 11-mile stretch through rem
Crooked River
The Crooked River is southern Maine's premier wild trout stream, a 43-mile river flowing from Songo Pond to Sebago Lake that supports healthy populations of wild brook trout, landlocked Atlantic salmo
Roach River
The Roach River near Kokadjo is Maine's only catch-and-release, fly-fishing-only river, a pristine 6-mile stream flowing from First Roach Pond into Spencer Bay on Moosehead Lake. This remote tributary
Mitchell River
The Mitchell River flows through the rolling Piedmont foothills of Northwestern North Carolina, offering a unique combination of wild trout in the headwaters and excellent smallmouth bass fishing in t
Deep Creek
Deep Creek in the Great Smoky Mountains National Park offers classic mountain brook trout fishing in a protected wilderness setting. With easy access from Bryson City, scenic waterfalls, and healthy p
Dog River
The Dog River is a small to medium freestone stream flowing through central Vermont, offering quality wild brown trout and brook trout fishing in a scenic, accessible setting. Known for technical dry
Moose River (Jackman)
The Moose River near Jackman flows through some of Maine's most remote wilderness, providing excellent fishing for native brook trout and landlocked Atlantic salmon in a landscape of dense forest, bog
Mettawee River
The Mettawee River flows through western Vermont's agricultural valleys, offering accessible fly fishing for wild brown, rainbow, and native brook trout. Best fished where tributaries create pools and
Owyhee River
Oregon's Owyhee is a desert trophy brown trout fishery — remote, uncrowded, and capable of producing fish over 24 inches in stunning canyon water.
Grand Lake Stream
Grand Lake Stream is one of the most historic fly fishing destinations in the United States, a 3-mile stretch of gin-clear water flowing from West Grand Lake that harbors one of the original four stra
Rapid River
The Rapid River is widely regarded as the premier wild brook trout fishery in the United States, where native brookies averaging 4 pounds inhabit a short but dramatic stretch of river connecting Lower
Otter Creek
Otter Creek is Vermont's longest river at 112 miles, offering diverse fishing from cold-water brook trout in headwaters to mixed trout and warmwater species in lower sections. Cold tributaries like th
Great Basin NP Streams
The streams of Great Basin National Park offer high-alpine fly fishing for brook, brown, rainbow, and Lahontan cutthroat trout in one of Nevada's most spectacular mountain settings. Lehman Creek and B
Pyramid Lake
Pyramid Lake is one of the premier trophy Lahontan cutthroat trout fisheries in the world, offering the chance to catch native cutthroats exceeding 20 pounds in the stark beauty of Nevada's high deser
Ruby Mountains / Lamoille Creek
The streams of the Ruby Mountains offer high-alpine fly fishing for brook, rainbow, and Lahontan cutthroat trout in one of Nevada's most spectacular mountain ranges. Lamoille Creek and other Ruby trib
South Fork Reservoir
South Fork Reservoir is a high-desert impoundment offering diverse fishing for rainbow and brown trout plus smallmouth bass in a scenic canyon setting. This stillwater fishery provides good shore and
Wild Horse Reservoir
Wild Horse Reservoir is a high-desert impoundment offering excellent fishing for rainbow and brown trout plus smallmouth bass in a remote northern Nevada setting. This 2,830-acre reservoir provides go
Jarbidge River
The Jarbidge River flows through one of Nevada's most remote wilderness areas, offering backcountry fly fishing for wild rainbow, brook, and bull trout in pristine mountain streams surrounded by drama
Bruneau River
The Bruneau River flows from Idaho through remote northwestern Nevada, offering wilderness fly fishing for wild rainbow and brown trout in a dramatic desert canyon. This small freestone river provides