Crooked River Fishing Report – August 24, 2026 | Bowman Dam Tailwater
Zebra Midge, Copper John, Pheasant Tail Nymph, Parachute Adams, Elk Hair Caddis, Woolly Bugger
Crooked River Fishing Report — August 24, 2026
Current Conditions
The Crooked River tailwater is offering some of Central Oregon’s finest late-summer fly fishing right now. USGS gauge 14087400 (below Opal Springs, near Culver) recorded 1,150 CFS at 5:00 AM PDT this morning — an elevated reading that reflects flows both from Bowman Dam releases and contributions from Opal Springs downstream. The prime fishing section directly below Bowman Dam (miles 0–8 above Terrebonne) is running with vigorous but manageable flows; wading is best approached from the bank-side shallows using felt or studded wading boots in this section. The big story here is water temperature: 55°F — an absolutely ideal number for wild redband rainbow trout, well within the sweet spot for aggressive feeding. Water clarity is clear throughout the canyon corridor.
Hatch Activity
August on the Crooked is a midge and small dry-fly fishery, and right now it is delivering. Midges are hatching throughout the day in sizes 18–24, with the best surface activity occurring mid-morning (9–11 AM) and again in the late afternoon. Look for rising fish in the slower seams and inside bends. A reliable PMD hatch (size 16–18) is adding dry-fly excitement in the mornings, particularly in the first four miles below the dam. Caddis (tan and olive, size 16) are also showing up in evening hours, particularly near Terrebonne Road access. Trico spinners (size 22–24) can produce surprisingly good early-morning surface action for those willing to fish fine tippet. Subsurface nymphing with bead-head patterns is consistently productive all day long in the deeper runs along the canyon walls.
Top Fly Recommendations
- Zebra Midge (sizes 18–22, black/red, chrome bead) — the absolute workhorse on the Crooked; fish it point fly below a larger nymph in any seam or run
- Copper John (sizes 16–18, red/green) — excellent attractor nymph for the faster pocket water and riffle-to-pool transitions; heavy enough to get down quickly
- Pheasant Tail Nymph (sizes 16–18, beadhead) — classic PMD imitation for mid-depth feeding lanes; deadly during the morning hatch window
- Parachute Adams (sizes 16–20) — the Swiss Army knife of dry flies here; effective during the PMD and midge hatch overlap mid-morning
- Elk Hair Caddis (sizes 16–18, tan) — evening option when caddis are on the water; dead-drift through slower glassy runs near the canyon bends
- Woolly Bugger (sizes 8–10, olive/black) — don’t overlook the streamer game; swinging a Woolly Bugger through deeper runs can move the biggest fish in the system
Access Points & Logistics
The Lower Crooked River National Back Country Byway (off OR-27 south of Terrebonne) provides the primary vehicle access corridor through the canyon. Key pull-outs begin approximately 1 mile below Bowman Dam and continue for 8 miles downriver. The Chimney Rock area (mile 4) offers a popular wade-fishing flat that is productive in morning and evening. Crooked River Ranch provides the northern entry point for anglers floating or wading the lower canyon section near Terrebonne. A BLM day-use fee applies at several pull-out areas. Cell service is limited once you drop into the canyon — download offline maps before heading out.
Hazards & Notes
Flows are running elevated relative to typical August levels; use caution wading and avoid crossing in fast, thigh-deep water. The canyon can get very hot by midday (90°F+) in August — start early, stay hydrated, and consider a midday break in the shade. Rattlesnakes are present on rocky canyon slopes. This section is open year-round for catch-and-release fly fishing only (barbless hooks required below Bowman Dam — check current ODFW regulations before fishing). Water temperature at 55°F is excellent; there are no thermal stress concerns at this time. Data is provisional per USGS.