Updated October 15, 2026

    Gunnison River (Gunnison Gorge)

    river in Colorado

    The Gunnison is a powerhouse river known for its Black Canyon scenery and trophy-sized rainbows and browns.

    River flow last 30 days

    0100200300Sep 16Sep 22Sep 27218 cfs
    Flow now
    256cfs
    Inside the typical range (236–256 cfs)
    Last 7 days
    Rising
    218 to 255 cfs
    Bite report · week of Oct 4

    What's working on Gunnison River

    1. 01Cooling water temperatures stimulate increased fish activity.
    2. 02Opportunistic Whitefish are likely to key into egg patterns as trout begin spawning.
    3. 03Intermittent hatches of Blue-Winged Olives and Pale Morning Duns are providing dry fly opportunities.
    4. 04Subsurface nymphs, including midges and various mayfly patterns, remain highly effective.
    5. 05Streamers imitating baitfish and leeches can entice aggressive strikes from larger fish.

    Past reports week by week

    11 weeks

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    nymph

    Zebra Midge

    Midge pupa (Chironomidae)
    #18#20#22#24

    Midges are a primary and consistent food source year-round, effective as a subsurface searching pattern in cooler fall water.

    Buy at Amazon
    egg

    Blood Dot Egg

    Salmon/trout egg
    #10#12#14

    Fall marks the egg season for trout below spawning areas, and Whitefish are opportunistic feeders on these available protein sources.

    Buy at Amazon
    streamer

    Woolly Bugger (Olive)

    #4#6#8

    A reliable year-round streamer, effective for imitating leeches and baitfish that Whitefish will actively pursue in cooling fall waters.

    wet fly

    Soft Hackle Wet (Partridge & Orange)

    Caddis pupa/emerger
    #12#14#16

    Caddis hatches extend through fall, making this a good general wet fly to swing through currents, mimicking emergers.

    Buy at Amazon
    dry

    PMD Comparadun (BWO)

    #18#20#22

    PMD hatches are active in October, and Whitefish are opportunistic feeders.

    nymph

    Pheasant Tail Nymph

    Mayfly nymph (various)
    #14#16#18#20

    This versatile mayfly nymph imitation is effective year-round, especially during fall BWO periods, for subsurface feeding Whitefish.

    Buy at Amazon
    dry

    Comparadun (BWO)

    Baetis adult
    #18#20#22#24

    Blue-Winged Olives (BWOs) have active hatches in the fall, making this a crucial pattern for selective fish.

    Buy at Amazon
    dry

    October Caddis (Dry)

    October Caddis (Dicosmoecus) adult
    #6#8#10

    Fall is when the largest caddis hatch of the year occurs on many western rivers, providing excellent dry fly opportunities.

    Buy at Amazon

    Where to fish and who to ask

    RIGS Fly Shop · CimarronRIGS Fly Shop · Ridgway1Lazear Access2Smith Fork Trailhead
    AccessFly shopGuide trips
    1

    Lazear Access

    The bottom-most access point of the Gold Medal stretch, perfect for those looking for less pressure.

    38.745°N 108.075°WDirections
    2

    Smith Fork Trailhead

    A steep trail down to the river that offers access to some of the most productive water in the canyon.

    38.536°N 107.721°WUSGS 09128000Directions

    Fly shops within 40 miles

    23mi

    RIGS Fly Shop

    Cimarron, COGuide trips
    34mi

    RIGS Fly Shop

    Ridgway, COGuide trips

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    Colorado season by season

    What changes on the water through the year, with the flies for each season.

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    Quick answers

    Common questions about Gunnison River (Gunnison Gorge).

    What flies work best on Gunnison River (Gunnison Gorge)?

    Our top scored fly patterns for Gunnison River (Gunnison Gorge) right now are Zebra Midge (80% confidence), Zebra Midge (80% confidence), Blood Dot Egg (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Gunnison River (Gunnison Gorge)?

    Gunnison River (Gunnison Gorge) holds Whitefish. See the species links on this page for fly recommendations and seasonal behavior for each.

    What are current flow conditions on Gunnison River (Gunnison Gorge)?

    Live USGS streamflow readings for Gunnison River (Gunnison Gorge) are charted in the sidebar of this page and updated automatically from the nearest gauge.

    Is Gunnison River (Gunnison Gorge) fishing well right now?

    We publish a fresh bite report for Gunnison River (Gunnison Gorge) each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.