Trout Run and the Avonia Beach Fishery
The creek you may not fish - and the beach that times the whole west shore. Trout Run is the run's starting gun.
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Current conditions
Gauge: USGS 04213152 — Walnut Creek Upstream Pool (USGS 04213152) - the next gauged creek east Proxy gauge
Reading baked into this page when it was last updated at 2026-10-14 20:30 — checking the live USGS feed now…
| Window | Reading |
|---|---|
| Creeks too low - surf only | Walnut under 15 cfs: fish are staged in the lake, not the creeks |
| First movers | Walnut 15 - 50 cfs: early fish nose into creek mouths at night |
| Run moving | Walnut 50 - 150 and falling: surf still holds fish on the drop |
| Creek days | Walnut 150 - 250: fish have left the beach for the creeks |
| Blown - beach resets | Walnut over 250: blown creeks push staging fish back to the lake |
At the beach, read the lake: a green surf line with the creek's plume fanning out is the picture. Chocolate surf after a blow takes a day of calm to settle.
Surf clarity follows the lake, not the creeks: one calm day after a blow usually resets the beach.
How the bands were set: How to use a creek gauge to fish a beach: Trout Run (basin 6.94 sq mi) is ungauged nursery water. The Walnut gauge next door tells you where the run is in its cycle - staged at the surf, moving, or gone up the creeks. Trout Run's own visible trickle at the beach is a local gauge in itself: locals have watched this little creek call the run for generations.
Gauge page: USGS monitoring location 04213152
Season playbook
Resolved from today's date — the current season is highlighted. On the live site this re-resolves in your browser.
Fall (Sep - Nov)This season
The water: The run stages here first: fish stack at the closed creek's mouth on the first cool rains.
Fish present: Steelhead and browns in the surf.
How to fish it: Dawn surf sessions; read the mouth stack as the run's weather vane.
Winter (Dec - Feb)
The water: Ice, surf, and cold - the beach is mostly a scouting stop.
Fish present: Occasional steelhead on calm days.
How to fish it: Check the mouth, then fish the open creeks' deep pools.
Spring (Mar - Apr)
The water: Dropbacks and late fish cruise the warming shore.
Fish present: Dropback steelhead.
How to fish it: Shiner patterns along the trough at first light.
Summer (May - Aug)
The water: Warm lake; a swimming beach with a dawn fishing window.
Fish present: Smallmouth, panfish, walleye at night.
How to fish it: Dawn before the swimmers; rocks and drop-offs.
On now — hatch & forage for October
- Emerald shiners (surf schools) — Emerald Shiner streamer, White Death, Clouser minnow
- Salmon and steelhead egg drift (creek plume) — Egg patterns fished in the surf at the plume edge
Full calendar
| Item | Window | Size | Patterns | Notes |
|---|---|---|---|---|
| Emerald shiners (surf schools) | Sep - Nov and Mar - May | 2-3 in baitfish | Emerald Shiner streamer, White Death, Clouser minnow | The whole beach game: where the shiners ball, the steelhead hunt. |
| Salmon and steelhead egg drift (creek plume) | Sep - Nov | eggs 6-10 mm | Egg patterns fished in the surf at the plume edge | The closed creek leaks eggs and scent into the lake - legal to fish the lake side of that line. |
| Round gobies and crayfish (shore structure) | May - Sep | #6-10 / 2-3 in | Goby and crayfish patterns | Summer smallmouth forage along the rocks. |
Weather & conditions playbook
The row matching the live flow band is highlighted when the gauge answers.
| Condition | What changes | Tactics | Flies | Verdict |
|---|---|---|---|---|
| Creeks blown, lake calm | The classic plan-B day: staging fish slide back to the surf. | Full beach session, dawn to mid-morning, shiners and eggs in the trough. | Shiner patterns, White Death. | Go - the shore's best blown-day water. |
| Prime green creeks (Walnut 50-150, falling) | Fish leave the beach for the creeks within a day. | One dawn hour at the surf, then move to Elk or Walnut. | Shiners early. | Start here, finish in a creek. |
| Low and clear creeks | The run waits in the lake: the beach IS the fishery. | Dawn and dusk surf; watch the Trout Run mouth stack grow. | Shiners, small eggs at the plume. | Go - this is its prime state. |
| Cold snap / surf ice | Slush and ice shut the beach down. | Scout the mouth from the park, fish elsewhere. | - | Scouting only. |
| Warm rain in fall | The starting gun fires at the closed creek first - stacks build, then disperse up the open creeks on the drop. | Surf on the rise; creeks on the drop. | Eggs and shiners. | Go. |
| Post-front bright, calm lake | Clear surf: fish hold deeper off the beach by day. | First light only, longer casts to the outer trough. | Natural shiner patterns. | Dawn window only. |
Access points
Avonia Beach (Fairview Township park) · Map pin
Parking: Township park parking at Avonia Beach, off Avonia Road, Fairview.
Fish the lake: the surf line east and west of the Trout Run mouth, dawn and dusk, and the first hour of a rising creek cycle. Wading the lake is legal; fishing IN Trout Run creek is not - see Regulations.
Trout Run mouth (viewing only from the beach) · Map pin
Parking: Same park access; walk the beach to the mouth.
Watch broodstock steelhead stack and fin in the creek mouth in fall - and understand this is a hatchery sanctuary, not a fishing spot. The show itself is worth the trip, and it tells you the run's timing better than any report.
Access changes with postings and seasons — respect every sign, and confirm current PFBC regulations before fishing.
The full Trout Run and the Avonia Beach Fishery deep dive — $9.99
The complete guide: access map with GPS pins, the full flow-band tactics, hatch calendar, weather playbook, regulations, and sources — a living guide, refreshed as conditions and data change, with refreshed editions free to buyers.
Not sure yet? Preview a full guide free: San Juan River sample (PDF) — a complete guide, so you can see exactly what you get.