Blue Stream Fly Fishing
Fly Fishing Report for:

Trinity River - Lewiston - California

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midges Afternoon 18-22 Zebra midge, Griffith's Gnat
Winter Stoneflies Late Afternoon 16-18 Black Stonefly Nymph, Kaufmann's Black Stone
February Midges Afternoon 18-22 Zebra midge, Griffith's Gnat
Winter Stoneflies Late Afternoon 16-18 Black Stonefly Nymph, Kaufmann's Black Stone
March Blue Winged Olives Afternoon 16-22 Adams, Parachute Adams
March Browns Midday 12-14 Parachute March Brown, Hare's Ear Nymph
April Blue Winged Olives Afternoon 16-22 Adams, Parachute Adams
Golden Stoneflies All Day 6-8 Rogue Foam Golden Stone
May Golden Stoneflies All Day 6-8 Rogue Foam Golden Stone
Pale Morning Duns Morning 16-18 Parachute Adams, Light Cahill
June Green Drakes Afternoon 10-12 Green Drake Dry, Green Drake Nymph
Caddis Evening 14-18 Elk Hair Caddis, X Caddis
July Caddis Evening 14-18 Elk Hair Caddis, X Caddis
Yellow Sally Stoneflies All Day 14-16 Yellow Sally Dry Fly, Yellow Sally Nymph
August Hoppers Midday 10-14 Parachute Hopper, Foam Hopper
Terrestrials Midday 10-14 Ant Patterns, Beetle Patterns
September Blue Winged Olives Afternoon 16-22 Adams, Parachute Adams
Terrestrials Midday 10-14 Ant Patterns, Beetle Patterns
October Blue Winged Olives Afternoon 16-22 Adams, Parachute Adams
Midges Afternoon 18-22 Zebra midge, Griffith's Gnat
November Midges Afternoon 18-22 Zebra midge, Griffith's Gnat
Winter Stoneflies Late Afternoon 16-18 Black Stonefly Nymph, Kaufmann's Black Stone
December Midges Afternoon 18-22 Zebra midge, Griffith's Gnat
Winter Stoneflies Late Afternoon 16-18 Black Stonefly Nymph, Kaufmann's Black Stone

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

The Trinity River in Lewiston offers exceptional fly fishing locations with opportunities to bag large Salmon and Steelhead. Noteworthy spots include:

  • Lewiston Dam: Anglers often land trophy fishes in the tail-waters of the dam. The caddisfly hatches here attract many fish.
  • Junction City: Excellent for fishing large Steelhead. Try swinging flies or nymphing along the banks.
  • Del Loma’s: This spot offers easy access to the river and hosts large Salmon. Good for both wading and boat fishing.
  • Pigeon Point: This is a favorite spot for boat fishing. It offers good opportunities for both spring and fall fishing.
  • Tish Tang: It’s less crowded due to its difficult access but it’s home to some of the best Fall Steelheads.

Remember to respect the fishing regulations while enjoying the beauty of the Trinity River.

Best Access Points

Fly fishing at the Trinity River in Lewiston offers various astounding access points. We shall spotlight the top access points for an optimal fly fishing experience.

  • Lewiston Lake:

    This waterbody is a riverside gem, packed with trout. An access point is located near the dam.

  • Hatchet Creek:

    Located on Highway 299, this spot offers premium fly fishing experience with plentiful fish.

  • Tucker Hill:

    Accessible via Steiner Road from Highway 3, this area has a picnic spot and lots of fishing opportunities.

  • Pigeon Point:

    A hotspot for steelhead fishing located along highway 299.

  • Junction City:

    Accessible from Red Hill Road, it offers a diverse variety of fish species.

These access points, with a mix of stream and lake fishing opportunities, ensure that fly fishers have a comprehensive experience in Lewiston’s Trinity River.

Local Fish

  • Chinook Salmon: The largest species in the Trinity River, attracting many fly fishers during its migration period.
  • Steelhead: Known for their fight, they are popular among fly fishers and are present year-round.
  • Trout: A variety including Rainbow, Brown, and Cutthroat trout are commonly targeted.
  • Coho Salmon: Although less abundant, they are still a prized catch for anglers on the Trinity River.
  • Shad: These fish migrate to the Trinity River around May or June and can put up quite a fight.
  • Bass: While not as common as salmon or trout, Smallmouth and Largemouth bass can be caught in the Trinity River.
  • Kokanee Salmon: These lake-dwelling salmon are a popular catch in the summer months.
  • Lamprey: While not typically targeted, they make for interesting and unique catches.

About The River

The Trinity River calmly flows through the picturesque town of Lewiston, nestled in Northern California. With its roots traced back to the Gold Rush era, the river ardently witnessed numerous ambitious gold hunters flocking to Lewiston’s golden beaches during the mid-1800s.

The Trinity River Project, commissioned in 1960, made significant impacts on the region, creating the beautiful Lewiston Lake above the town. The river offers an array of leisure activities such as:

  • Fishing, especially the river’s famous steelhead and salmon fishing
  • Whitewater rafting for those seeking an adrenaline rush
  • Wildlife viewing, with diverse species including eagles, otters, and black bears

Through a combination of its vibrant history, stunning scenery, and outdoor fun, the Trinity River in Lewiston fortifies its place as a cherished jewel of Northern California.

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