Sinnemahoning Creek, a fly fishing gem in north-central Pennsylvania, flows through the wild and scenic landscapes of Potter and Cameron counties.
This pristine waterway stretches approximately 50 miles and is fed by several notable tributaries, including the First Fork Sinnemahoning and Bennett Branch Sinnemahoning, which enhance its flow and contribute to its rich aquatic ecosystem.
The creek eventually joins the West Branch Susquehanna River, playing a vital role in the larger Susquehanna watershed.
Renowned for its clear, cool waters, Sinnemahoning Creek is a haven for wild brown and brook trout, offering fly anglers a mix of gentle riffles, deep pools, and secluded stretches perfect for wading and casting.
Below is a general hatch chart and fly recommendations to help you plan your fly fishing trips:
Sinnemahoning Creek Hatch Chart
Early Spring (March – April)
- Blue-Winged Olives (Baetis)
- Size: 18-22
- Time: Midday to afternoon, especially on overcast or drizzly days.
- Fly Patterns: Parachute Adams, RS2, Pheasant Tail Nymph, WD-40.
- Quill Gordons
- Size: 12-14
- Time: Midday.
- Fly Patterns: Quill Gordon Dry Fly, Quill Gordon Nymph.
- Hendricksons
- Size: 12-14
- Time: Midday to early afternoon.
- Fly Patterns: Hendrickson Dry Fly, Comparadun, Pheasant Tail Nymph.
- Early Stoneflies
- Size: 10-14
- Time: Midday.
- Fly Patterns: Stonefly Nymphs, Kaufmann’s Black Stone.
Late Spring (May – June)
- March Browns
- Size: 10-12
- Time: Late morning to early afternoon.
- Fly Patterns: March Brown Dry Fly, March Brown Nymph.
- Sulphurs
- Size: 16-18
- Time: Late afternoon to evening.
- Fly Patterns: Sulphur Dry Fly, Comparadun, Pheasant Tail Nymph.
- Green Drakes
- Size: 8-12
- Time: Evening.
- Fly Patterns: Green Drake Dry Fly, Green Drake Nymph.
- Caddisflies
- Size: 14-18
- Time: Evening.
- Fly Patterns: Elk Hair Caddis, X-Caddis, Caddis Pupa.
Summer (July – August)
- Tricos
- Size: 20-24
- Time: Early morning.
- Fly Patterns: Trico Spinner, Trico Parachute.
- Terrestrials
- Size: 10-16
- Time: All day, especially on hot, sunny days.
- Fly Patterns: Ants, Beetles, Grasshoppers, Chernobyl Ant.
- Midges
- Size: 18-24
- Time: Morning and evening.
- Fly Patterns: Zebra Midge, Griffith’s Gnat.
- Caddisflies
- Size: 14-18
- Time: Evening.
- Fly Patterns: Elk Hair Caddis, X-Caddis, Caddis Pupa.
Fall (September – October)
- Blue-Winged Olives (Baetis)
- Size: 18-22
- Time: Midday to afternoon, especially on overcast days.
- Fly Patterns: Parachute Adams, RS2, Pheasant Tail Nymph.
- Isonychia (Slate Drake)
- Size: 10-12
- Time: Late afternoon to evening.
- Fly Patterns: Isonychia Nymph, Slate Drake Dry Fly.
- Caddisflies
- Size: 14-18
- Time: Evening.
- Fly Patterns: Elk Hair Caddis, X-Caddis, Caddis Pupa.
- Terrestrials
- Size: 10-16
- Time: All day.
- Fly Patterns: Ants, Beetles, Grasshoppers.
General Tips for Sinnemahoning Creek
- Water Conditions: Pay attention to water levels and clarity. Spring and fall often provide the best conditions for dry fly fishing.
- Nymphing: When hatches are sparse, nymphing with patterns like Pheasant Tails, Hare’s Ears, and Stoneflies can be highly effective.
- Streamers: In high or stained water, streamer patterns like Woolly Buggers or Muddler Minnows can attract larger trout.
- Local Knowledge: Check with local fly shops or guides for the most up-to-date hatch information and fly recommendations.
This hatch chart is a general guide and can vary depending on weather, water temperature, and other environmental factors. Always observe the water for active insect activity and adjust your fly selection accordingly. Tight lines!
Looking for more information on fishing Sinnemahoning Creek? Check out the DIY Guide to Fly Fishing Sinnemahoning Creek.