Colorado fishing reports
143 reports for Colorado — what's biting, water temps, and where to focus.
Tailwater trout dial in on tricos as Colorado drought drags on
Low water is the story on Colorado's South Platte and Arkansas tailwaters this summer, with Cutthroat Anglers reporting that more than 60% of the Lower 48 sits in some level of drought and Western snowpacks are near historic lows heading into July. The upside, per the same shop: fish that remain are grouped up, active, and willing to eat for anglers who hike further or fish lighter. On the South Platte's storied Dream Stream, Colorado Trout Hunters continues targeting lake-run brown and rainbow trout through its Trophy Trout program, built around the reservoir's migratory push. Trico spinner falls, a South Platte signature that Gink and Gasoline still remembers as dense enough to scoop by the handful, should keep morning risers busy through midsummer. Trout Unlimited's current tip: work pink terrestrials as grasshoppers and ants start dropping into the current.
Western Slope rivers turn on fast as Colorado runoff drops
Crystal Fly Shop is telling Roaring Fork anglers not to wait until July this year — the river is running high but already fishing well, with large attractor patterns producing well ahead of a green drake emergence expected below Carbondale in about two weeks. On the Crystal River, runoff is fading fast and the shop expects some of the best fishing of the year once flows keep dropping over the next week or so. Downstream, the Colorado River from Glenwood Springs to Rifle is on the back end of runoff with sensational fishing expected through the next few weeks as golden stones, PMDs, and caddis stack on top of the coming green drakes. The Frying Pan, by contrast, is already low, clear, and cold, with daily Blue-Winged Olive hatches and building PMD activity best worked with nymphs before afternoon hatches kick off. Statewide, both Cutthroat Anglers and Pat Dorsey Fly Fishing are flagging this as a historically low-snowpack year, which is compressing the usual runoff-to-prime-water timeline.
Low, clear tailwaters keep South Platte and Arkansas browns picky
Colorado's 2026 water year has been rough on paper, Pat Dorsey Fly Fishing calls it one of the driest on record for the state, and Cutthroat Anglers' Matt Campanella has been steering clients toward adapted low-water tactics as reservoirs run down. The good news for South Platte and Arkansas River anglers: dam-controlled tailwaters typically buffer against drought better than freestone streams, and technical dry-dropper and midge fishing remains the game plan. AvidMax Blog's recent Fly Tying Tuesday features, the Chocolate Foam Back and Titan Tube Midge, target exactly the subsurface, slow-water presentations these rivers demand right now. Colorado Trout Hunters continues to highlight lake-run browns pushing through the Dream Stream stretch of the South Platte during shoulder seasons, and Gink and Gasoline notes that picky tailwater trout call for precise, drag-free drifts with downsized nymphs. Expect low, clear, technical water with fish grouped in deeper runs, willing to eat small offerings fished patiently and quietly.
South Platte Trico falls fire as low flows concentrate tailwater trout
USGS gauge 06701900 recorded 252 cfs on the South Platte on July 5 — a modest reading that reflects the historically thin snowpack Cutthroat Anglers documented in their spring update. No water temperature data was available from the gauge; Trout Unlimited cautions that warm summer water reduces dissolved oxygen and stresses trout, so check temps before extended sessions. The defining event for this stretch in early July is the Trico spinner fall: Gink and Gasoline's South Platte piece describes spinner densities so concentrated that a single hand-swipe across the surface yields dozens of spent insects, with trout sipping steadily in the film. Mornings are the prime window for surface action on small Trico patterns. Cutthroat Anglers' low-water pro tips note that drought-year fish are "active, grouped up, and ready to bite" for anglers willing to fish lighter and wade quietly. On the Arkansas tailwater, AvidMax Blog's recent tying features highlight the Chocolate Foam Back and Titan Tube Midge as effective midge emerger choices for selective tailwater trout.
Colorado River exits runoff prime with summer hatches lining up
Crystal Fly Shop reports the Colorado River near Glenwood Springs is now on 'the back end of runoff with currently great water conditions and happy fish' -- an optimal window before midsummer heat fully arrives. The shop notes green drakes, golden stones, PMDs, and caddis are all on the horizon within the next two weeks, making the Glenwood-to-Rifle corridor a priority for dry-fly anglers right now; attractor patterns and Rubberleg Stone nymphs are already producing. On the Frying Pan River, Crystal Fly Shop describes flows as 'low, clear, cold and reliable' with BWO hatches firing daily and PMDs making a recent appearance -- 6X fluorocarbon tippet is standard fare. Cutthroat Anglers guide Matt Campanella frames 2026's historically low Western snowpack not as a crisis but an opportunity: fish are 'active, grouped up, and ready to bite for the angler willing to hike a little further or cast a little lighter.' The Arkansas River corridor, served by shops like Anglers Covey, is entering its characteristic low-water summer mode ahead of schedule.
South Platte trico hatches peak; tailwater midges hold the Arkansas this July
Gink and Gasoline singles out the South Platte River as prime trico country in summer — dense spinner falls demand drag-free presentations and light tippet, and the fish reward precision anglers. Colorado's 2026 season is running lean: Cutthroat Anglers (CO) reported historically poor winter snowpack, pushing freestone reaches low and warm. Tailwaters on the South Platte and Arkansas are the smart play right now, insulated by consistent dam releases that keep temperatures manageable. AvidMax Blog (CO) has been spotlighting midge emergers — patterns like the Chocolate Foam Back and Titan Tube Midge — as top producers in clear, cold tailwater conditions. Cutthroat Anglers notes that in low-snowpack years, trout group tighter into holding lies, making them findable but requiring accurate, delicate presentations. Trout Unlimited cautions that warm-water stress is real this summer; plan morning sessions and be ready to rest fish quickly.
Summer heat arrives on the Colorado & Arkansas — trout target cool seams
Water temps on the Colorado River registered 71°F at USGS gauge 09095500 on the evening of July 3 — right at the upper edge of comfortable trout-fishing territory. Cutthroat Anglers (CO) put it plainly: more than 60% of the Lower 48 is in some level of drought and Western snowpacks ran at historic lows this winter, yet 'the fish that remain are active, grouped up, and ready to bite for the angler willing to hike a little further or cast a little lighter.' Crystal Fly Shop noted the Colorado River shedding its runoff flows and entering a prime summer window, with green drakes and golden stones on the near horizon. At 71°F and with holiday-weekend pressure on popular access points, the most productive play will be early-morning sessions targeting shaded, oxygenated pockets and tailwater stretches where regulated releases keep temperatures in check. Field & Stream echoes the approach: mid-river pocket water holds active summer trout and requires far less technical precision than slow-water flats.
South Platte Trico Season Opens as Drought-Year Low Flows Concentrate Fish
Trico spinner falls are the signature early-July event on the South Platte, and Gink and Gasoline has written vividly about the river's prolific spinner density — "countless trico spinners floating downstream in the surface film" with trout rising in force. That seasonal window is arriving now. The defining story of 2026, per Cutthroat Anglers, is historically low snowpack: flows on both the South Platte and Arkansas tailwaters are running well below typical, concentrating fish into defined seams while demanding finer tippets and more precise presentations. Cutthroat Anglers' low-water field notes report that trout "remain active, grouped up, and ready to bite" for anglers willing to hike a little farther and cast a little lighter. AvidMax Blog's ongoing midge-tying series — featuring the Chocolate Foam Back and Titan Tube Midge — reinforces that size 20–24 midge patterns anchor both drainages well into summer. Get on the water early; afternoon heat and pressure mount quickly through July.
Green Drakes Incoming as Colorado Rivers Drop Into Prime Summer Mode
Crystal Fly Shop (CO) reports the Colorado River near Glenwood Springs is on the back end of runoff with great water conditions at 2,640 cfs — and calls this the window to fish it before summer heat arrives. Large attractor patterns are working now on the higher flows, with green drakes, golden stones, PMDs, and caddis all expected to fire in the coming days. On the Frying Pan at 110 cfs — low, clear, and cold — daily BWO hatches and PMD appearances are rewarding technical nymphing on 6X fluorocarbon. Cutthroat Anglers (CO) caution that 2026's historically low Colorado snowpack is shaping a compressed season, but frame low water as an opportunity: fish are concentrated, grouped up, and willing to eat for anglers who hike a bit further and present a bit lighter. With rivers dropping steadily into summer mode, the next week is shaping up as prime time across the upper Colorado and Arkansas River drainages.
South Platte trico spinner falls peak as CO tailwaters run low and clear
Gink and Gasoline names the South Platte River specifically as one of the West's most memorable trico spinner-fall venues, and early July puts anglers squarely in that window. Expect pre-dawn risers sipping spent spinners in flat, gin-clear water along the South Platte, including the Dream Stream stretch. Colorado Trout Hunters reports this past spring delivered "one of the best runs of migratory fish we have seen on the Dream Stream in quite some time," setting up a healthy base of resident fish now locked into summer holding lies. The season's defining backdrop is drought: Cutthroat Anglers warns that 2026 Colorado snowpack is "historically bad," with more than 60% of the Lower 48 in some level of drought and Western snowpacks at historic lows. For tailwater anglers, dam-controlled flows provide a degree of insulation from the worst low-water extremes. Drop to 6X or 7X fluorocarbon, arrive before sunrise, and match the trico spinner. AvidMax Blog's recent midge emerger series highlights the Chocolate Foam Back and Titan Tube Midge as go-to sub-surface options when surface feeding slows.
Colorado River trout peak as runoff fades; green drakes nearly here
Crystal Fly Shop reports the Colorado River near Glenwood Springs is running at 2,640 cfs on the back end of runoff, with 'currently great water conditions and happy fish.' The shop is emphatic: get on the water now, before summer heat tapers the bite. Green drakes are described as imminent within the next two weeks on the Colorado corridor, with golden stoneflies, PMDs, and caddis also queued to fire. Attractor patterns are producing well in still-elevated flows. On many other Colorado drainages, Cutthroat Anglers notes that historically low 2026 snowpacks have pushed rivers to low, clear conditions earlier than usual — a scenario guide Matt Campanella frames as opportunity: fish are grouped up and feeding actively for anglers willing to downsize tippets and look beyond the obvious runs. No USGS gauge data or water temperatures were available for this report; confirm current flows via local gauges before heading out.
South Platte trico season peaks as summer drought tightens tailwater flows
USGS gauge 06701900 logged the South Platte at 255 cfs on the morning of July 1, a moderate wadeable flow entering the heart of summer. Gink and Gasoline has spotlighted the South Platte's legendary trico spinner falls as a defining early-July event, recalling "countless trico spinners floating downstream in the surface film" that trigger laser-selective feeding. Colorado Trout Hunters reports this spring's Dream Stream delivered "one of the best runs of migratory fish we have seen in quite some time," leaving well-conditioned rainbows and browns distributed through the tailwater. Trout Unlimited cautions that warming summer water reduces dissolved oxygen, stressing cold-blooded trout — early-morning sessions are strongly advisable. Cutthroat Anglers (CO) notes that historically low 2026 snowpack has fish "grouped up and ready to bite for the angler willing to hike a little further or cast a little lighter," a dynamic that plays across both the South Platte and Arkansas tailwaters as flows settle through the holiday weekend.