Crooked River Fishing Report — August 19, 2026
Zebra Midge, Pheasant Tail Nymph, Copper John, Woolly Bugger, Parachute Adams, Elk Hair Caddis
Crooked River Fishing Report — August 19, 2026
Current Conditions at a Glance
- Flow: 1,150 CFS (USGS Gauge 14087400 — Crooked River below Opal Springs, near Culver, OR)
- Water Temperature: 56°F (13.1°C) — outstanding for summer trout
- Clarity: Slightly Off — elevated flows, expect some color in lower reaches
- Overall Rating: Fair — upper tailwater near Bowman Dam fishing well; lower sections challenging due to elevated flows
Conditions Report
The Crooked River tailwater is showing mixed conditions on August 19th. The USGS gauge downstream at Opal Springs (near Culver) is registering 1,150 CFS — significantly elevated compared to typical summer tailwater releases. This reading includes the substantial cold-water contribution from Opal Springs, one of Oregon's largest natural springs, which empties into the Crooked and dramatically increases flows in the lower reaches of the Wild and Scenic corridor.
The most important number to note today is the water temperature: a superb 56°F. While many Oregon rivers are baking in August heat and approaching thermal stress thresholds for trout, the Crooked River tailwater stays remarkably cold thanks to the deep, cold releases from Bowman Dam and the Opal Springs groundwater inflow. This cold, stable environment creates exceptional trout habitat and keeps fish active and feeding throughout the day — a rare August luxury.
The prime stretch to fish right now is the upper tailwater, immediately below Bowman Dam — from the dam downstream to approximately mile marker 8–10 toward Prineville. Here, dam-release flows are more modest and wading conditions are manageable. Wild redband rainbow trout are stacked in this reach and can be found feeding in the riffles, runs, and pocket water that characterize this beautiful canyon section. The Chimney Rock area (BLM Wild and Scenic) provides excellent access and some of the most productive water on the river.
Elevated flows in the lower reaches (below Opal Springs) make wading more challenging and turbidity may reduce dry fly visibility somewhat. If targeting the lower sections near Crooked River Ranch or Terrebonne, stick to nymphing with weighted flies and use indicator rigs to stay in the feeding zone. A Woolly Bugger stripped through deeper pools can also draw aggressive strikes from larger fish pushed out of their normal lies by higher water.
Active Hatches (August)
- Midges: The Crooked River's bread-and-butter hatch — active year-round, multiple daily emergences. #18–22 in red, olive, and black. A Zebra Midge is simply essential.
- Pale Morning Dun (PMD): Morning emergence in the upper tailwater, #16–18. Fish the slow, flat water above riffles for rising trout targeting PMDs.
- Caddis: Evening activity, especially in the upper tailwater canyon. #16 olive or tan patterns.
- Trico: Early morning spinner falls in flat stretches near Bowman Dam. #20–22 for the most selective fish.
Top Fly Recommendations
Nymphs (primary approach at elevated flows):
- Zebra Midge — #18–22 (red/silver, olive/black) | The #1 fly on the Crooked River, full stop. Carry dozens in multiple colors.
- Pheasant Tail Nymph — #16–18 | Imitates PMD nymphs and small mayflies; fish deep with split shot in elevated flows
- Copper John — #14–16 (copper, red) | Gets down fast in heavier current; anchor fly in a two-nymph rig above a Zebra Midge
- Woolly Bugger — #8–10 (olive, black) | Strip through deeper pools for aggressive takes from larger redband rainbows displaced by higher flows
Dry Flies (early morning, upper tailwater):
- Parachute Adams — #16–18 | Reliable all-purpose dry for PMD and midge hatches on flat water
- Elk Hair Caddis — #16 (tan) | Evening caddis hatch in the upper canyon — light line, long leader, drag-free drift
Best Access Points
- Below Bowman Dam (Prineville Reservoir): Park at the dam and wade downstream into the upper tailwater. The first 2 miles below the dam fish superbly and receive less pressure than the lower canyon.
- Chimney Rock (BLM): Excellent BLM access in the Wild and Scenic corridor, roughly 6–7 miles below Bowman Dam. Parking area, trails to the river, restrooms. One of the most scenic and productive reaches.
- Crooked River Ranch Access Points: Several public fishing access points are maintained near the Crooked River Ranch community off Hwy 97 north of Terrebonne. Check BLM signage for current public access locations.
- Lower Canyon (Opal Springs area): Walk-in access only; be aware of elevated flows making wading more difficult at current levels. Best approached by experienced waders.
Hazards & Notices
- Elevated Flows: The lower river is running higher than typical. Use caution when wading below Opal Springs. Felt-soled wading boots or studded wading sandals strongly recommended. Know your limits.
- Rattlesnakes: Common in the canyon's rocky basalt terrain. Watch where you step and place your hands. Highest activity during morning warm-up hours.
- Wildfire Smoke: Central Oregon fire season is underway — check airnow.gov and ODOF closure notices before heading out.
- Wild Fish Regulations: The Crooked River below Bowman Dam supports a self-sustaining wild redband rainbow trout population. Check ODFW regulations for current size limits and bag limits. Catch-and-release is encouraged to preserve this outstanding wild fishery.
- Sun Exposure: The lower canyon offers limited shade. Sun protection is essential — hat, sunscreen, UV-blocking clothing.