Blue Stream Fly Fishing
Fly Fishing Report for:

South Fork Trinity River - Below Hyampom - 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 Midday #18-22 Zebra Midges, Griffith's Gnat
Winter Stoneflies Afternoon #12-16 Black Stonefly Nymph
February Midges Midday #18-22 Zebra Midges, Griffith's Gnat
Winter Stoneflies Afternoon #12-16 Black Stonefly Nymph
March Blue Winged Olives Noon-3pm #18-24 Pheasant Tail Nymph
Caddis Late Afternoon #14-16 Hares Ear Nymph
April Blue Winged Olives Midday #18-24 Pheasant Tail Nymph
Caddis Late Afternoon #14-18 Hares Ear Nymph
May Caddis Late Afternoon #14-18 Hares Ear Nymph
Golden Stones All Day #8-12 Golden Stone Nymph
June Caddis Early Morning, Dusk #14-18 Hares Ear Nymph
Golden Stones All Day #8-12 Golden Stone Nymph
July Caddis Early Morning, Dusk #14-18 Hares Ear Nymph
Terrestrials All Day #10-14 Hoppers, Beetles
August Terrestrials All Day #10-14 Hoppers, Beetles
Tricos Morning #20-24 Trico Spinner
September Terrestrials All Day #10-14 Hoppers, Beetles
Tricos Morning #20-24 Trico Spinner
October Blue Winged Olives Noon-3pm #18-24 Pheasant Tail Nymph
October Caddis Evening #8-12 October Caddis Pupa
November Baetis Midday #18-22 BWO Emerger
Midges Midday #18-22 Zebra Midges, Griffith's Gnat
December Baetis Midday #18-22 BWO Emerger
Winter Stoneflies Afternoon #12-16 Black Stonefly Nymph

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 South Fork Trinity River, located below the Hyampom region, provides numerous locations perfect for fly fishing. These include:

  • Salmon and steelhead runs which are quite numerous along this stretch, especially in the cooler months year round.
  • The confluence of the South Fork and Hayfork Creek – this prime fishing spot houses large trout eager to bite.
  • A long stretch of river between the towns of Wildwood and Hyampom is a quiet, rarely disturbed fly fishing paradise.
  • The Wild and Scenic area is another prolific spot boasting a healthy, sustainable fish population.

You might also consider exploring higher up the river, but be warned – it gets gradually more difficult to access and the fish are typically smaller. However, the challenge might be an alluring factor for some fly fishermen.

Best Access Points

The South Fork Trinity River, below Hyampom, is one of the premier locations for fly fish enthusiasts. The best access points to this area include:

  • Pickett Peak Trail: This trail provides easy access to several great fishing spots.
  • Forest Route 1S07: This route leads to some excellent fishing locations unspoilt by large tourist crowds.
  • East Fork Road: Drive down this road until you reach the end. From there, walk along the river bank to find numerous promising fishing spots.
  • Hyampom Campground: If you’re planning to camp, this is a great spot to combine fishing and camping. You’ll find excellent fishing spots both upstream and downstream.

Irrespective of your access point, remember to check local fishing regulations and always respect the natural beauty of these locations.

Local Fish

  • Chinook Salmon: One of the most popular fish among anglers for fly fishing on the South Fork Trinity River because of its size, weight and fight.
  • Steelhead Trout: An anadromous form of the rainbow trout. They are larger and put up a strong fight making it a prized catch among fly fishers.
  • Brown Trout: Known for their hard fight and challenging capture. An added attraction for fly fishers.
  • White Sturgeon: This species is often targeted for its size as it is one of the biggest freshwater fish.
  • Coho Salmon: Also known as Silver Salmon. A favorite amongst fly fishers for their aerial displays during fishing.
  • Rainbow Trout: These fishes are often targeted due to their abundance in the river and the challenge they pose for fishers.
  • Redband Trout: A subspecies of the rainbow trout, they are typically smaller but command attention due to their beautiful coloration.
  • Green Sturgeon: Though more rare, they are caught on occasion on the South Fork Trinity River and are prized for their fight and size.

About The River

Flowing through the heart of Northern California, the South Fork Trinity River brims with historical significance and natural beauty. The origin of the river can be traced to the Southern Trinity Alps, from where it meanders towards the Klamath River. For millennia, it has been inhabited by Native American tribes such as the Hoopa and Yurok.

  • Hyampom: Nested by the South Fork Trinity River is Hyampom, a small hamlet that’s a haven for nature lovers. The area under Hyampom boasts of lush forests, sprawling meadows, and wildlife.
  • Gold Rush: In the 1850s, the river vicinity experienced a Gold Rush, attracting prospectors and dramatically altering the demographics.
  • Logging Era: The late 19th century saw the commencement of logging activities, leaving an indelible mark on the river’s surrounding landscapes.
  • Conservation Efforts: The river is currently recognized for its rich biodiversity, leading to various preservation efforts to protect species like the steelhead trout and coho salmon. The river also ranks as a crucial habitat for hundreds of bird species.

This confluence of rich history and stunning scenery makes the South Fork Trinity River a gem of Northern California.

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