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All Colorado reports
Gunnison Gorge of the Black Canyon
Photo: Ken Lund from Reno, Nevada, USA Opens in a new tab. · CC BY-SA 2.0
Should I go fishing?
Check the water temperature first.
Water temperature is unconfirmed. Use a stream thermometer; stop trout fishing at 70°F or warmer, or sooner if fish show stress.
Fishing rating74
Rating updatedRiver local time:
Why this recommendation?
The current NWS air forecast is about 76F, and the next 24-hour high reaches about 93F. This is an air forecast, not a water-temperature reading. Fish early and check the river with a stream thermometer.
Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationMediumWater temperature not verified; do not use this score to clear warm-water risk.
Usually checks again about every 45 minutes
If you go
- Check first
- Use RiverReports and USGS 09128000 for the below-Gunnison-Tunnel flow read.
- Try
- Decide whether the day is a hike-in, East Portal, or float-supported plan before choosing gear.
- Leave when
- Skip the Gorge when you are not prepared for the hike or float logistics, when heat or thunderstorms raise canyon risk, when NPS or BLM rules are unclear for the exact water you plan to fish, or when release changes make safe wading unrealistic.
Flow and weather
Showing server-checked river conditions while current readings refresh.
- Flow
- 246 cfs
- From the latest stored river check. Open the official source for the newest reading.
- Air forecast
- 76°F
- Next 24h high
- 93.0°F
NWS air forecast near
- Rain chance
- 3%
This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.
Latest stored weather check
Partly Cloudy
- Wind
- 10 mph
- Weather checked
More forecast and source details
Partly Cloudy
National Weather Service
Gunnison Gorge forecast point
The National Weather Service forecast is temporarily unavailable.
Live data
Where these readings come from
RiverReports gauge: Gunnison River below Gunnison Tunnel
Flies for this time of year
Seasonal starting points, not a live hatch report. Match what you see on the water.
- Blue-Winged Olive PatternsBWO dryView fly guide ↗
- Zebra MidgeView fly guide ↗
- Caddis Pupa PatternsOctober caddis pupaView fly guide ↗
- Sculpin Patternssculpin streamerView fly guide ↗
See flies for every season
SeasonWhat to look forFlies to try
Winter to early spring
What to look forMidges and small olives
Flies to try
Also try black beauty
Spring
What to look forBWOs, caddis, stoneflies
Summer
What to look forCaddis, PMDs, yellow sallies, terrestrials
FallThis season
What to look forBWOs, midges, October caddis
Each fly name opens its matching Fly Box guide.
More fishing tips
Methods, fish species and trip notes
How to fish Gunnison Gorge of the Black Canyon today.
Fish the Gorge only when flow, weather, access, and your group's fitness line up. When conditions are right, nymphs, dries, and streamers can all produce, but safe travel and current rules matter more than forcing a fishing window.
Low clear canyon flow
Use lighter nymph rigs, longer leaders, and careful approaches in slick, technical pools.
Stable medium flow
This is the most flexible fishing window for nymphs, soft hackles, dries, and streamers.
High flow
Reconsider wading and route choice. Canyon water can become dangerous quickly with limited escape options.
Hot weather
Plan early starts, carry extra water, and avoid overcommitting to exposed canyon hikes.
Wading, bank fishing or floating?
Best access methodWading
These scores compare the risks of wading, bank fishing, and floating.
Wading · Best fit74/100
Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
Bank fishingNot recommended
This report does not recommend bank fishing on this reach.
FloatingNot recommended
This report does not recommend floating this reach.
Full river report
Is Gunnison Gorge of the Black Canyon worth the trip today? Check flow, weather, hatches, access, and rules for Colorado before you go.
The Gunnison Gorge can offer excellent trout fishing, but access and safety are the first filters. The river is remote, steep, and rule-sensitive, so build the plan around verified flows and official land-manager guidance.
Fishing words used on this page
- U.S. Geological Survey (USGS) gauge
- A USGS gauge is an official river station that measures flow or water height.
- Cubic feet per second (cfs)
- Cubic feet per second, or cfs, shows how much water passes the gauge each second.
- Technical fishing
- Technical fishing means the fish are hard to fool, so careful casts and natural drifts matter.
- Nymph
- A nymph is a young water insect. Anglers also use the word for a fly that copies it.
- Blue-winged olive (BWO)
- Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
- Caddis
- Caddis are small water insects. The adults look a little like tiny moths.
- Emerger
- An emerger copies an insect as it rises from below the water toward the surface.
- Midge
- Midges are tiny flies and a common trout food, especially in cold water.
- Pale morning dun (PMD)
- Pale morning duns, or PMDs, are light-colored mayflies that often hatch in warmer months.
- Soft hackle
- A soft-hackle fly has moving fibers that can look like an insect rising through the water.
Why this call
Why this score
HeatUse caution
The current NWS air forecast is about 76F, and the next 24-hour high reaches about 93F. This is an air forecast, not a water-temperature reading. Fish early and check the river with a stream thermometer.
FlowHelps
USGS shows 246 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1911-2025, 115 readings) show a typical middle range of 151 cfs to 867 cfs. Flow is within the typical range for this date, so weather, temperature, and access become the next checks.
SeasonHelps
Fall: A prime window for cooler weather, BWOs, streamers, and lower visitor pressure.
Public alertsHelps
No active NWS alert was returned for this forecast point.
Fishing usefulnessHelps
Skip the Gorge when you are not prepared for the hike or float logistics, when heat or thunderstorms raise canyon risk, when NPS or BLM rules are unclear for the exact water you plan to fish, or when release changes make safe wading unrealistic.
Trip notes
Check these before you choose a reach.
Use the RiverReports Gunnison Tunnel chart and USGS 09128000 together. Stable releases are the cleanest planning signal. Sudden changes, high pushy water, or flows that erase safe edge water should move you to a different reach or a different day.
Skip the Gorge when you are not prepared for the hike or float logistics, when heat or thunderstorms raise canyon risk, when NPS or BLM rules are unclear for the exact water you plan to fish, or when release changes make safe wading unrealistic.
Choose the access style first: East Portal and park context for a shorter controlled plan, or BLM Gunnison Gorge routes only when the group is ready for steep travel, limited shade, and a full exit commitment.
If the Gorge is too hot, too high, too stormy, or too logistically heavy, compare the Lower Gunnison for easier valley context, the Upper Gunnison for a different basin plan, or the Cimarron River for smaller high-country water after checking current rules.
Gunnison Gorge of the Black Canyon access and rules.
Use these places as starting points. Open the access link below and check posted signs before you park or enter.
Before you go
NPS lists artificial flies or lures only, catch-and-release for rainbow trout, brown trout limits, license requirements, and a closure within 200 yards downstream of Crystal Dam for the park/Curecanti East Portal reach. Always verify current CPW, NPS, and BLM rules before fishing.
Where to access the river
East Portal
The easiest park river access when the steep road is open. NPS notes restrictions and winter closure.
Inner canyon routes
Very difficult NPS routes for fit, prepared anglers with realistic time and safety margins.
Gunnison Gorge Wilderness
BLM-managed downstream wilderness access with permit, fee, route, and float-planning considerations.
- NPS says East Portal Road is steep, has hairpin turns, restricts longer vehicles, and closes in winter.
- BLM day-use and camping fees can apply in Gunnison Gorge Wilderness.
- Inner-canyon access is not a casual roadside walk and should be treated as a strenuous route.
- Private guides and outfitters may operate under permits. Self-guided anglers still need to follow BLM and NPS rules.
Sources and report details
Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
Flow and weather
Check the latest river reading and forecast before you leave.
Access and land
Check public entry points, land rules, and seasonal access changes.
See all 6 checked sources
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
What this source covers
Open the current rules and check the river section, season, and special limits.
Flow and weather
Check the latest river reading and forecast before you leave.
What this source covers
Open this page and check the latest safety advice before your trip.
What this source covers
Open this river reading to check the latest level, flow, and update time.
What this source covers
Open this river reading to check the latest level, flow, and update time.
Access and land
Check public entry points, land rules, and seasonal access changes.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
How this report was checked
How this report was checked
Reviewed byBlueStreamFly River Review Team
Trip guidance checked
What was checked: This Gunnison Gorge report is maintained from RiverReports and USGS flow data, National Park Service fishing rules, BLM access sources, weather checks, and practical canyon-planning guidance. Review dates change only after material source review or content improvements.
Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.
First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.
Quick questions
Is the Gunnison Gorge beginner friendly?
No. Some access, especially inner-canyon and wilderness routes, is steep, remote, and physically demanding.
What flow should I check?
Use RiverReports and USGS 09128000 below the Gunnison Tunnel as the primary canyon flow reference.
Can I keep trout in the canyon?
Rules depend on the exact reach. NPS lists catch-and-release for rainbows and specific brown trout rules in its park reach, so verify current rules before fishing.
What flies should I bring?
Bring midges, BWOs, caddis, stonefly nymphs, PMDs, terrestrials, dry-droppers, and streamers.