Fly fishing report · West

Roaring Fork River

A Roaring Fork Valley report for Aspen, Basalt, Carbondale, and Glenwood Springs, with flows, public access, hatches, tactics, and regulation checks.

Check flow & weather

Today's river scoreHigh source confidence

Caution

Best option: Wade.

Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Updated Jul 13, 11:17 PM UTCUsually refreshes about every 45 minutes

Recommended approachWade

Mode scores adjust the river-wide score for the risks of wading, bank fishing, or floating.

Wade · Best fit56/100

Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Bank / edge56/100

Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.

Float56/100

A float is in play where this report supports boat access and wind, releases, and shuttle logistics are manageable.

Confirm before you leave

Flow and weather right now.

Use the flow trend to confirm the score before you leave. Weather can change the safest and most productive fishing window.

River strategy

Pick the reach before picking the fly.

The Roaring Fork changes character from upper valley water near Aspen to broader float water near Carbondale and Glenwood. Use flow, access, and regulation boundaries to choose the right plan.

RiverReports and USGS 09085000 give a strong lower-river flow reference at Glenwood Springs.
CPW identifies important special rules above and below Woody Creek and notes rainbow and brown trout.
Gold Medal context applies in parts of the Roaring Fork, but each reach still needs a current rule check.
Clean, drain, and dry gear, especially in the lower river where ANS concerns have been flagged.

Why this score moved

FlowUse caution

USGS shows 449 cfs with a stable over about 6 hours trend. same-date USGS history (1972-2025, 54 readings) puts normal around 1,640 cfs and the low-water marker near 666 cfs; today's flow is unusually low for the date. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.

Water temperatureUse caution

USGS water temperature is about 69F. Fish early and stop if handling stress is likely.

Best mode nowUse caution

Wade: Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

SeasonHelps score

Summer: Caddis, PMDs, yellow sallies, terrestrials, and float-bank fishing all matter after runoff settles.

Public alertsHelps score

No active NWS alert was returned for this forecast point.

Read the water

What changes the plan.

The Roaring Fork is strongest when flows are stable and clarity lets trout feed along banks, riffles, and soft seams. It can be a great float or wade plan, but the best reach depends on season, runoff, and access.

Runoff

Expect pushy water and limited wading. Fish edges or choose a tailwater alternative when flows are unsafe.

Stable medium flow

This is the most flexible window for nymphs, dry-droppers, dries, and streamers from a boat or bank.

Low clear flow

Use longer leaders, smaller flies, and precise casts in upper and pressured reaches.

Warm lower river

Carry a thermometer near Carbondale and Glenwood during hot weather and shift plans if trout handling risk is high.

Field plan

Fish it with intention.

Best flows

Use the Glenwood trend as the lower-river anchor and adjust upstream from there. Stable medium flow is the most forgiving for mixed tactics; sharp runoff or warm late-summer conditions should move you toward cooler upper reaches or a different river.

When to skip

Skip the lower Roaring Fork when warm afternoon temperatures threaten trout handling, when runoff removes wading margin, when special-rule boundaries are unclear, or when heavy boat traffic keeps you from fishing the water you actually want.

Local plan

Choose the valley section before you leave town: upper access for clearer wade water, Basalt and Carbondale for mixed bank-and-drift options, or Glenwood-side lower river only when flows, temperature, and access all support a larger-water plan.

Backup water

If the main Roaring Fork is too warm, crowded, or pushy, pivot to the colder Fryingpan for technical tailwater fishing or to the Eagle River when you want another freestone-style valley option.

Hatches & flies

Bring a flexible box.

TimingWhat to watchUseful flies

WinterMidges and small olivesZebra midge, black beauty, RS2, small pheasant tail

Reviewed pattern · report says “Zebra midge”Zebra MidgeLook for a very slim tapered thread body, evenly spaced contrasting wire rib, a small bead, and no tail or wing. The reviewed classic is black with silver wire and a silver bead. Red, olive, brown, glass-bead, jig-hook, resin-coated, or tailed forms must remain labeled variations rather than replacing the classic identity.See photos & how to fish it

Reviewed pattern · report says “black beauty”Black Beauty MidgeA very slim black thread body, fine silver rib, and small dark thorax define the core Black Beauty. Glass-bead Mercury Black Beauty and flash-wing variants must stay labeled separately.See photos & how to fish it + 2 more reviewed guides in the Fly Box

SpringBWOs, caddis, stonefliesBWO emerger, caddis pupa, Pat's rubber legs, hare's ear

Reviewed family · report says “BWO emerger”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide

Reviewed family · report says “caddis pupa”Caddis Pupa PatternsCaddis pupa is a life-stage family. Curved bodies, wing pads, legs, beads, and soft-hackle collars differ among exact patterns and must be labeled.See family guide + 2 more reviewed guides in the Fly Box

SummerPMDs, caddis, yellow sallies, terrestrialsPMD cripple, elk hair caddis, yellow sally, ant, hopper

Reviewed family · report says “PMD cripple”Pale Morning Dun PatternsPMD names an insect group, not one fly. Pale nymphs, trailing-shuck emergers, upright or low-riding duns, cripples, and spent-wing spinners stay visibly separate.See family guide

Reviewed pattern · report says “elk hair caddis”Elk Hair CaddisLook for a tented elk- or deer-hair wing, clipped hair head, dubbed body, rib, and hackle palmered along the body. The body color should be labeled because tiers often match different natural caddis colors.See photos & how to fish it + 3 more reviewed guides in the Fly Box

FallBWOs, midges, October caddisBWO dry, zebra midge, October caddis, sculpin streamer

Reviewed family · report says “BWO dry”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide

Reviewed pattern · report says “zebra midge”Zebra MidgeLook for a very slim tapered thread body, evenly spaced contrasting wire rib, a small bead, and no tail or wing. The reviewed classic is black with silver wire and a silver bead. Red, olive, brown, glass-bead, jig-hook, resin-coated, or tailed forms must remain labeled variations rather than replacing the classic identity.See photos & how to fish it + 2 more reviewed guides in the Fly Box

Separate upper wade water from lower float water before choosing gear.

Use the Glenwood gauge for lower-river context and smaller upstream gauges if fishing above Basalt.

Adjust weight often because depth changes fast in riffle and bank lines.

Respect private property and posted SWA or county access rules.

Clean, drain, and dry boots, waders, and boats between waters.

Access & responsibility

Know the entry. Know the exit.

Verify current Colorado special regulations before fishing. Artificial-only, catch-and-release, harvest-size rules, and seasonal closures differ by reach.

Aspen and Woody Creek area

Upper valley water with technical rules and clear public-access needs.

Basalt and Carbondale corridor

Transition water with public pullouts, float activity, and changing river size.

Glenwood Springs and Wingo Junction

Lower-river access and flow context near the Colorado River confluence.

Transparent sources

Check the facts behind the plan.

Last material review: 2026-05-31

flowRiverReports: Roaring Fork River at Glenwood Springs flowUSGS monitoring location: Roaring Fork at Glenwood Springs regulationColorado Parks and Wildlife Roaring Fork River accessBLM Wingo Junction River Access accessPitkin County Jaffee Park regulationColorado fishing special regulations safetyNational Weather Service forecast point near Roaring Fork

Common questions

Before you leave.

What part of the Roaring Fork does this report cover?+

It covers the main valley river from the Aspen area through Basalt, Carbondale, and Glenwood Springs.

Is the Roaring Fork better to float or wade?+

Both can work. Upper and public access reaches are more wade-focused, while lower reaches often suit float fishing.

What gauge should I check?+

Use RiverReports and USGS 09085000 at Glenwood Springs for lower-river context, and match upstream gauges to your exact reach when possible.

What flies should I bring?+

Carry midges, BWOs, caddis, PMDs, yellow sallies, terrestrials, stonefly nymphs, and streamers.