Live River Map — USGS Flows & Fishing Conditions
Angler Tech maps gauged trout rivers across the United States with live USGS streamflow and water temperature, public access points, boat ramps, and fly recommendations matched to current conditions.
River fishing guides by state
- Alaska fly fishing
- Arizona fly fishing
- Arkansas fly fishing
- California fly fishing
- Lower Sacramento River
- Lower Yuba River
- Trinity River
- Klamath River (CA)
- Smith River (CA)
- American River
- Truckee River
- Owens River
- Kern River
- McCloud River
- Fall River (CA)
- Hat Creek
- Upper Sacramento
- Pit River
- East Carson River
- West Carson River
- West Walker River
- Upper Owens
- Lower Owens
- Hot Creek
- Rush Creek (CA)
- Yuba River (Middle)
- North Fork Yuba
- Stanislaus River
- Tuolumne River
- Merced River
- Klamath River (Lower)
- Eel River
- Colorado fly fishing
- South Platte River
- Arkansas River (CO)
- Colorado River (CO)
- Roaring Fork River
- Frying Pan River
- Eagle River (CO)
- Gunnison River
- Taylor River
- Animas River
- Dolores River
- Yampa River
- White River (CO)
- Rio Grande (CO)
- Conejos River
- Cache la Poudre River
- Big Thompson River
- Blue River (CO)
- Williams Fork
- Middle Fork South Platte
- North Fork South Platte
- Cheesman Canyon (S. Platte)
- Eleven Mile Canyon (S. Platte)
- Dream Stream (S. Platte)
- Upper Arkansas (Buena Vista)
- Pueblo Tailwater (Arkansas)
- Crystal River (CO)
- Fryingpan Canyon
- Lake Fork Gunnison
- East River (CO)
- Slate River
- Uncompahgre River
- Los Pinos River
- Piedra River
- Rio Chama (CO)
- South Fork Rio Grande
- Lake Creek (CO)
- Saint Vrain Creek
- North Fork Big Thompson
- Elk River (CO)
- Connecticut fly fishing
- Georgia fly fishing
- Idaho fly fishing
- Henrys Fork
- South Fork Snake River
- Snake River (ID)
- Salmon River
- South Fork Boise River
- Boise River
- St. Joe River
- Coeur d'Alene River
- Clearwater River
- Lochsa River
- Selway River
- Big Wood River
- Silver Creek (ID)
- Teton River
- Owyhee River (ID)
- Henrys Fork (Box Canyon)
- Henrys Fork (Harriman Ranch)
- Henrys Fork (Lower)
- South Fork Snake (Conant)
- South Fork Snake (Heise)
- Middle Fork Salmon
- South Fork Salmon
- Little Salmon
- Lochsa (Powell)
- Big Lost River
- Little Lost River
- Pahsimeroi River
- Lemhi River
- Bear River (ID)
- Blackfoot River (ID)
- Portneuf River
- Kelly Creek
- North Fork Coeur d'Alene
- Priest River
- Maine fly fishing
- Maryland fly fishing
- Michigan fly fishing
- Minnesota fly fishing
- Montana fly fishing
- Madison River
- Yellowstone River
- Missouri River (MT)
- Bighorn River (MT)
- Blackfoot River (MT)
- Bitterroot River
- Clark Fork
- Gallatin River
- Jefferson River
- Beaverhead River
- Big Hole River
- Ruby River
- Smith River (MT)
- Stillwater River (MT)
- Boulder River (MT)
- Rock Creek (MT)
- Kootenai River
- Flathead River
- Swan River
- Upper Madison (Three Dollar Bridge)
- Lower Madison
- Missouri River (Land of Giants)
- Paradise Valley Spring Creeks
- DePuy Spring Creek
- Armstrong Spring Creek
- Nelson Spring Creek
- Yellowstone (Livingston)
- Yellowstone (Big Timber)
- Stillwater (Absarokee)
- Boulder (McLeod)
- West Boulder River
- Gallatin (House Rock)
- Upper Gallatin
- Yaak River
- Fisher River
- South Fork Flathead
- North Fork Flathead
- Middle Fork Flathead
- Upper Clark Fork
- Rock Creek (Welcome Creek)
- Big Spring Creek (MT)
- Marias River
- Sun River
- Dearborn River
- Musselshell River
- Nevada fly fishing
- New Mexico fly fishing
- New York fly fishing
- Beaverkill River
- Willowemoc Creek
- Delaware River (Upper)
- West Branch Delaware
- Salmon River (NY)
- Ausable River (NY)
- East Branch Delaware
- Main Stem Delaware
- Esopus Creek
- Schoharie Creek
- West Canada Creek
- Black River (NY)
- West Branch Ausable
- East Branch Ausable
- Saranac River
- Oswegatchie River
- Genesee River
- Cattaraugus Creek
- North Carolina fly fishing
- Oregon fly fishing
- Deschutes River
- Metolius River
- McKenzie River
- Rogue River
- North Umpqua River
- Willamette River
- Owyhee River (OR)
- Grande Ronde River
- John Day River
- Lower Deschutes
- Middle Deschutes
- Upper Deschutes
- Crooked River
- Fall River (OR)
- Williamson River
- Wood River (OR)
- Sprague River
- Imnaha River
- Wallowa River
- Sandy River (OR)
- Clackamas River
- Santiam River
- Steamboat Creek
- Pennsylvania fly fishing
- Tennessee fly fishing
- Utah fly fishing
- North Fork Ogden River
- Middle Fork Ogden River
- South Fork Ogden River
- Ogden River
- Weber River
- Provo River
- Logan River
- Green River (UT)
- Strawberry River
- Duchesne River
- Blacksmith Fork
- Sevier River
- Lower Provo River
- Middle Provo River
- Upper Provo River
- Lower Weber River
- Upper Weber River
- Diamond Fork
- Hobble Creek
- American Fork (UT)
- Rock Creek (UT)
- Yellowstone River (UT)
- Lake Fork River
- Uinta River
- Whiterocks River
- Beaver River (UT)
- East Fork Sevier River
- Fremont River
- Boulder Creek (UT)
- Vermont fly fishing
- Washington fly fishing
- Wisconsin fly fishing
- Wyoming fly fishing
- North Platte River
- Green River (WY)
- Hams Fork
- New Fork River
- Snake River (WY)
- Salt River
- Wind River
- Bighorn River (WY)
- Shoshone River
- Tongue River (WY)
- Sweetwater River
- Encampment River
- Snake (Jackson Canyon)
- Snake (South Park)
- Snake (Alpine Canyon)
- Hoback River
- Gros Ventre River
- Greys River
- Firehole River
- Madison (YNP)
- Gibbon River
- Lamar River
- Slough Creek
- Soda Butte Creek
- Yellowstone River (YNP)
- Clarks Fork Yellowstone
- North Fork Shoshone
- South Fork Shoshone
- Middle Fork Powder River
- North Platte (Miracle Mile)
- North Platte (Grey Reef)
Popular trout fly patterns
- Zebra Midge — Nymph imitating Midge pupa (Chironomid)
- Pheasant Tail — Nymph imitating Mayfly nymph (BWO, PMD, Callibaetis)
- Hare's Ear — Nymph imitating Caddis pupa, mayfly nymph, generic buggy stuff
- RS2 — Emerger imitating Mayfly emerger (BWO, PMD, midge)
- Copper John — Nymph imitating Mayfly/stonefly nymph + sinking weight
- San Juan Worm — Nymph imitating Aquatic worm (annelid)
- WD-40 — Emerger imitating Midge or BWO emerger
- Lightning Bug — Nymph imitating Flashy mayfly/caddis attractor
- Elk Hair Caddis — Dry imitating Adult caddisfly
- Blue Wing Olive — Dry imitating Adult Baetis mayfly
- Adams — Dry imitating Generic mayfly adult
- Royal Wulff — Dry imitating Attractor — no specific bug
- Pale Morning Dun — Dry imitating Ephemerella mayfly adult
- Green Drake — Dry imitating Drunella adult mayfly (one of the largest)
- Trico — Dry imitating Tricorythodes spinner
- Griffith's Gnat — Dry imitating Cluster of midges mating on the surface
- Dave's Hopper — Terrestrial imitating Adult grasshopper
- Foam Beetle — Terrestrial imitating Adult beetle
- Soft Hackle — Wet imitating Emerging caddis or mayfly
- Woolly Bugger — Streamer imitating Baitfish, leech, crayfish, big nymph — everything
- Mercury Midge — Nymph imitating Midge pupa with air bubble (Chironomid)
- Sparkle Pupa — Emerger imitating Emerging caddis pupa rising to the surface
- Sulphur Dun — Dry imitating Sulphur mayfly dun (Ephemerella invaria, E. dorothea)
- March Brown — Dry imitating March Brown mayfly dun (Maccaffertium vicarium)
- Stimulator — Dry imitating Adult stonefly, large caddis, or generic big bug attractor
- Chubby Chernobyl — Terrestrial imitating Hopper, large stonefly, or generic foam attractor
- Prince Nymph — Nymph imitating Stonefly nymph, mayfly nymph, generic attractor nymph
- Y2K Egg — Nymph imitating Trout or salmon egg drifting in the current
- Sculpzilla — Streamer imitating Sculpin (bottom-dwelling baitfish trout eat year-round)
- Mop Fly — Nymph imitating Crane fly larva, hellgrammite, or unidentified juicy thing
- Frenchie — Nymph imitating Generic mayfly nymph with a hot-spot trigger
- Perdigon — Nymph imitating Generic mayfly nymph — slim, sinks like a stone
- Rainbow Warrior — Nymph imitating Generic small mayfly nymph (BWO, midge), attractor
- Higa's SOS — Nymph imitating Mayfly nymph or small stonefly with a flashy back
- JuJu Baetis — Emerger imitating BWO (Baetis) nymph or emerger
- Sparkle Dun — Dry imitating Emerging mayfly dun (BWO, PMD, Callibaetis, Trico)
- Comparadun — Dry imitating Adult mayfly dun (PMD, BWO, March Brown, Sulphur)
- Purple Haze — Dry imitating Generic mayfly attractor (Adams variant)
- Tan Caddis Pupa — Emerger imitating Emerging caddis pupa rising to the surface
- Squirmy Worm — Nymph imitating Aquatic worm or earthworm washed into the river
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