Hatch-chart pattern list
Best Flies for John Day River (Oregon)
The John Day River in Oregon fishes as both a wade and a float. It is a freestone fishery for Summer Steelhead and Smallmouth Bass, with the most reliable window in September, October, November. The patterns below are matched to the hatch chart we publish for this water. They are not a live report of what other anglers caught this week.
What's hatching now
Month, insect, size, and pattern from the John Day River hatch chart. August is highlighted when that month exists in the chart. We do not invent a hatch that is not on the chart.
| Month | Insect | Size | Pattern |
|---|---|---|---|
| April | Skwala Stonefly | #10-12 | Skwala Dry |
| Blue-winged Olive | #18-20 | Parachute BWO | |
| May | Caddis | #14-16 | Elk Hair Caddis |
| Golden Stonefly | #8-10 | Stimulator | |
| June | Smallmouth — Poppers | #4-6 | Gurgler |
| Pale Morning Dun | #16-18 | PMD Sparkle Dun | |
| Hopper | #10-14 | Dave's Hopper | |
| July | Terrestrials | #10-14 | Parachute Hopper |
| Smallmouth — Streamers | #4-6 | Clouser Minnow | |
| August | Terrestrials | #10-14 | Amy's Ant |
| Trico | #20-24 | Trico Spinner | |
| September | Steelhead — Wets | #4-6 | Purple Peril |
| Blue-winged Olive | #18-20 | Parachute BWO | |
| October | Steelhead — Spey | #2-4 | Intruder |
| Blue-winged Olive | #18-20 | CDC BWO |
Nymphs
Subsurface patterns matched to this river's chart and catalog. Fish them at the size the chart lists, not the size that looks good in the bin.
Dries
Dries and terrestrials for the John Day River. If the chart says a size 18 PMD, do not start with a 12.
Streamers
Streamers and wets for stained water, banks, and low light. This is not a claim that streamers are "on" today.
Setup
4X and 5X cover most nymphing. 4X on dries until the fish get picky, then 5X. A 3.0–3.8mm tungsten on the point and a lighter dropper is a default until you see the water. Tight-line the near bank and the heads of pockets. Use an indicator only when you need to search water you cannot euro.
FAQ
- What flies work on the John Day River?
- Start with BWO Sparkle Dun and BWO Parachute, then match size to the hatch chart for the month you are standing in. The John Day River does not need a 40-pattern box. It needs the right size on the insect that is actually in the drift.
- When is the best time to fly fish the John Day River?
- The editorial window we list is September, October, November, June, July. That is a planning month range, not a guarantee. Shoulder months can fish well if flows and water temperature cooperate.
- Do I need a guide on the John Day River?
- Oregon has walk-up wade water and, on some sections, float water. A guide is worth it for a first float or a technical tailwater. A hatch chart and a gauge are enough for a first wade if you already nymph. We list local guides and shops on this page when we have them.
- Where can I see live flow for the John Day River?
- Open the John Day River river page for the USGS gauge, access notes, and the same hatch chart this fly list is built from. We do not publish other people's spots or fish counts.
- Is this a report of what's working now on the John Day River?
- No. Executive Angler does not publish other anglers' catches, GPS, or a crowdsourced hot fly. This page is hatch-chart patterns plus catalog flies. Presence on the river page is gauge and weather only.
Related
John Day River
Access, hatch chart, USGS gauge.
Oregon
Trip planning for this region.
BWO Sparkle Dun
Dry
BWO Parachute
Dry
Parachute Hopper
Terrestrial
Gone Fishing Oregon
River Drifters
Ashland Fly Shop
Ashland, OR
Cascade Guides & Outfitters
Fossil, OR
Deschutes River
Open the river guide, then its fly list.
Grande Ronde River
Open the river guide, then its fly list.
McKenzie River
Open the river guide, then its fly list.
Metolius River
Open the river guide, then its fly list.