Deschutes River Fishing Report – September 20, 2026
Elk Hair Caddis, Parachute Adams, Stimulator, Chubby Chernobyl, Pheasant Tail Nymph, Zebra Midge, Copper John
Deschutes River — Lower Canyon | Maupin Area | September 20, 2026
Flow: 4,530 cfs (USGS Gauge 14103000 — Deschutes at Moody, near Biggs) | Water Temp: 61°F (15.9°C) | Clarity: Clear
Fall has arrived on the lower Deschutes, and the fish know it. With flows holding steady at 4,530 cfs and water temperatures at a comfortable 61°F, the river is in prime condition for Central Oregon's most storied fly fishing experience. Mostly clear skies this weekend with daytime highs in the mid-80s — get on the water early before canyon heat sends fish deep, and plan to stay through the evening caddis push.
🐛 What's Hatching
September on the Deschutes signals the shift into fall mode, and the hatch calendar is delivering. Caddis (sizes 16–18) continues to dominate the evening, with heavy emergences from 5–8 PM producing the best dry fly action of the day along main current seams and gravel bar edges. The Blue-Winged Olive (Baetis) hatch is gaining momentum — look for subtle risers in flat water and back-eddies between 11 AM and 2 PM (sizes 20–22). Midges are working the morning tailouts from 7–10 AM. Most exciting: early October Caddis (Dicosmoecus, sizes 8–10) are beginning to appear in the 4–7 PM window — a signal that one of the river's most explosive hatches is just getting started. Mid-day terrestrials (ants and beetles) are picking off opportunistic fish in slower runs.
🪝 Top Fly Recommendations
Pick these up at BugsNJugs before you hit the water:
- Elk Hair Caddis (sizes 14–18) — the workhorse evening dry; let it drag slightly at the end of the drift along gravel bars during the 5–8 PM push
- Parachute Adams (sizes 18–22) — the proven BWO and all-purpose imitation; high-vis wing makes it easy to track on flat water
- Stimulator (sizes 8–10) — outstanding early October Caddis imitation; also works well as an attractor in broken water
- Chubby Chernobyl (sizes 10–12) — excellent dry-dropper indicator fly; highly visible in fast pocket water and riffles
- Pheasant Tail Nymph (sizes 16–20) — fish subsurface during the BWO window just before fish commit to the dry; an emerger-style presentation shines in the 11 AM–2 PM window
- Zebra Midge (sizes 18–22) — morning essential for tailouts and slow eddies; fish in the top 18 inches early
- Copper John (sizes 14–18) — reliable attractor nymph for boulder gardens and deeper seams mid-day
📍 Best Access Points
- Maupin City Park — central wade access with easy parking; good water both up- and downstream
- Harpham Flat — popular launch and wade spot; excellent for drift boats and walk-in anglers
- Oak Springs (above Sherars Falls) — classic redband rainbow water, wade-friendly at current flows
- Below Sherars Falls — Macks Canyon and Beavertail campgrounds offer prime lower canyon access; fall steelhead begin stacking in this stretch
⚠️ Conditions, Hazards & Closures
At 4,530 cfs, the Deschutes is running at a healthy fall volume — very manageable for experienced waders with felt soles and a staff. Respect faster chutes and deeper boulder runs. Sherars Falls (Class V) is impassable and requires a mandatory portage. Fall-run steelhead are entering the system — check current ODFW regulations for wild vs. hatchery retention rules (wild steelhead are catch-and-release). No active fire closures or trail restrictions reported as of September 20, 2026. Flows data is provisional and subject to USGS revision.
Stream data: USGS National Water Information System, Gauge 14103000, as of September 20, 2026 at 5:45 AM PDT.