United States · Field guide
Fly Fishing in Colorado
Colorado is a premier fly fishing destination with over 9,000 miles of trout streams. From technical tailwaters to remote mountain streams, the state offers world-class fishing for rainbow, brown, cutthroat, and brook trout.
- Rivers
- 11
- Species
- 5
- River types
- 2
Today's conditions
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A 1 to 10 score, the best window of the day, and the fly to tie on. Built from the USGS gauge and hourly weather. Know before you go.
The water
Trout Rivers in Colorado
South Platte (Cheesman)
Rainbow Trout and Brown TroutFly fishers plan Colorado trips on the South Platte (Cheesman) because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Below-
tailwaterView forecastGunnison (below Taylor)
Rainbow Trout and Brown TroutThe Gunnison (below Taylor) is a Colorado freestone where flows and clarity swing with storms—meaning the bite window can flip in a single afternoon. Anglers target rainbow trout a
freestoneView forecastAnimas
Rainbow Trout, Brown Trout, and Cutthroat TroutThe Animas is a Colorado freestone where flows and clarity swing with storms—meaning the bite window can flip in a single afternoon. Anglers target rainbow trout, brown trout, and
freestoneView forecastFryingpan
Rainbow Trout, Brown Trout, and Brook TroutFly fishers plan Colorado trips on the Fryingpan because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Expect classic frees
freestoneView forecastArkansas River
Brown Trout and Rainbow TroutThe Arkansas River anchors Colorado trout culture for anglers who want a forecast that respects real hydrology—not a generic “fish today” badge. Species mix centers on brown trout
freestoneView forecastColorado River
Brown Trout, Rainbow Trout, Brook Trout, and Colorado River Cutthroat TroutThe Colorado River is a Colorado freestone where flows and clarity swing with storms—meaning the bite window can flip in a single afternoon. Anglers target brown trout, rainbow tro
freestoneView forecastBlue River
Rainbow Trout, Brown Trout, and Cutthroat TroutFly fishers plan Colorado trips on the Blue River because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Below-dam hydrology
tailwaterView forecastEagle River
Brown Trout and Rainbow TroutThe Eagle River is a Colorado freestone where flows and clarity swing with storms—meaning the bite window can flip in a single afternoon. Anglers target brown trout and rainbow tro
freestoneView forecastRoaring Fork River
Brown Trout, Rainbow Trout, and Cutthroat TroutFly fishers plan Colorado trips on the Roaring Fork River because it stacks credible wading access, recognizable insect cycles, and trout that respond when flows align. Expect clas
freestoneView forecastTaylor River
Brown Trout, Rainbow Trout, Cutthroat Trout, and Brook TroutThe Taylor River anchors Colorado trout culture for anglers who want a forecast that respects real hydrology—not a generic “fish today” badge. Species mix centers on brown trout, r
tailwaterView forecastSan Miguel River
Brown Trout, Rainbow Trout, Colorado River Cutthroat Trout, and Brook TroutThe San Miguel River anchors Colorado trout culture for anglers who want a forecast that respects real hydrology—not a generic “fish today” badge. Species mix centers on brown trou
freestoneView forecast
About Colorado Trout Fishing
Colorado's trout waters flow from the Continental Divide through alpine meadows, canyons, and valleys. The state's high elevation provides cold, clean water ideal for trout. Major river systems include the Colorado, South Platte, Arkansas, and Rio Grande.
Best Times to Fish in Colorado
Spring
March – MaySpring runoff typically peaks in May-June, affecting many rivers. Tailwaters fish well during runoff. Look for BWO hatches on cloudy days. Focus on lower elevation waters as they clear first.
Summer
June – AugustSummer is prime time for Colorado fly fishing. Caddis and mayfly hatches are prolific. High country streams and lakes are accessible. Early morning and evening offer the best dry fly action.
Fall
September – NovemberFall brings spectacular fishing as browns prepare to spawn. Kokanee salmon runs draw big trout to tributaries. Streamer fishing is highly effective. Colors peak in late September.
Winter
December – FebruaryWinter fishing is productive on tailwaters like the South Platte, Frying Pan, and Blue River. Midge hatches occur daily. Fish the warmest part of the day. Small flies and light tippet are essential.
Trout Species in Colorado
Primary species targeted in Colorado include Rainbow Trout, Brown Trout, Cutthroat Trout, and Brook Trout. Each species has unique behaviors and preferred conditions that our AI forecasts help you understand.
Essential Flies for Colorado
Colorado fish see significant pressure. Focus on technical presentations with light tippet. Many rivers fish better early in the week. Private water can provide solitude during busy periods.
Fishing Licenses and Regulations
License Requirements
Colorado requires a fishing license for all anglers 16 and older. Licenses are available online, at retailers, and at CDOW offices.
Special Regulations
Gold Medal waters have special regulations with higher catch and size limits. Many sections are catch-and-release only. Some waters restrict fishing to artificial flies and lures.
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