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Rivers

North Umpqua River

The home of the greased-line swing, and one of the last rivers with a fly-only steelhead reach.

Region
Cascade foothills, Oregon, United States
Country
United States
Water type
Fast, boulder-strewn freestone with a fly-fishing-only reach
Species
steelhead, rainbow, cutthroat
Length
179 km
Typical flow
1,000–2,500 cfs at Winchester; summer low flows are the classic steelhead window
Season
Summer steelhead from July, with the fly-only water fishable until the end of October
Best months
Jul · Aug · Sep · Oct
Published
2026-10-02

By The Fly Desk

Fly plate: Green Butt Skunk
Plate 1 · dressing
Aquatic insect plate: Caddis (Rhyacophila)
Plate 2 · insect

Hatch timeline

  • May · All dayCaddis (Rhyacophila) Larva and pupa

    #12-14 · May · Hatch

  • Jun · 10:00-17:00Golden Stone (Hesperoperla) Adult

    #8-10 · Jun · Hatch

  • Jul · 11:00-18:00Little Yellow Stone (Isoperla) Adult

    #14-16 · Jul · Hatch

  • Aug · 19:00-22:00Caddis (Hydropsyche) Adult, evening

    #14-16 · Aug · Hatch

  • Sep · 18:30-21:30October Caddis (Dicosmoecus) Adult, evening

    #8-10 · Sep · Hatch

  • Oct · 13:00-16:00Blue-Winged Olive (Baetis) Dun

    #18 · Oct · Hatch

Matched fly box

PatternImitatesSizeTechnique
Green Butt SkunkSteelhead attractor#4Greased line: floating line, no weight, cast 45 degrees down and across, mend twice.
Umpqua SpecialSteelhead attractor#4-6The local standard; swing it slowly through the tail of a pool, step down 60 cm.
October Caddis DryDicosmoecus adult#8Dry-fly steelhead: fish it at dusk on a floating line and let it skate.
Sofa PillowStonefly nymph#6For resident rainbow in the fast chutes above Steamboat.

The river

The North Umpqua runs out of the Cascades past Steamboat and Glide, and the 50 km between Rock Creek and Soda Springs is fly-fishing-only for steelhead — a regulation that has protected a swing-fly tradition going back to the 1930s. The fish are summer steelhead, they come in on low, clear water, and they are famously hard to catch on anything but a properly swung wet fly.

On this river

The greased line swing

Fish a floating line with no weight and a single wet fly. Cast 45 degrees downstream, mend once immediately to control the sink of the fly, and once more 10 metres into the swing. The fly should travel broadside to the current at a walking pace. A take is usually a single heavy pull rather than a series of taps.

Where in the pool to stand

Steelhead sit in the upper third of a pool and in the seam where the fast water dumps into it. That means your first cast should land near your own bank at the head of the pool, not across it. Working a pool from the head down with short casts covers the fish you can actually reach and leaves the middle alone.

Fishing the October caddis dry

For two weeks in late September and early October the large orange caddis returns at dusk and steelhead will rise to it, which is unusual enough that people plan whole trips around it. Use a #8 dry on a floating line, cast across and let it swing, and resist the urge to set the hook at the first splash — wait until the line comes tight.

Licence and rules

Oregon requires a combined angling tag for steelhead and salmon, plus a mandatory catch-record card returned at the end of the season. The fly-only reach between Rock Creek and Soda Springs prohibits bait, lures and any weight on the line — the fly must fish unweighted. Retention rules change by year; the current season's regulations booklet is the only reliable source.
When should I come?

The best months are Jul · Aug · Sep · Oct. Summer steelhead from July, with the fly-only water fishable until the end of October

What licence do I need?

Oregon requires a combined angling tag for steelhead and salmon, plus a mandatory catch-record card returned at the end of the season. The fly-only reach between Rock Creek and Soda Springs prohibits bait, lures and any weight on the line — the fly must fish unweighted. Retention rules change by year; the current season's regulations booklet is the only reliable source.

How does the water behave?

Summer flows drop low and clear, which is exactly when the steelhead come in and exactly when they are most spooky. A bump of turbidity after a rain is worth fishing hard, because it lets you fish a shorter line and get closer. Winter flows push past 5,000 cfs and the fly-only reach becomes a different, much more dangerous river.

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