Blue Stream Fly Fishing
Fly Fishing Report for:

Mattole River - Petrolia - 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 All Day #18-24 Zebra Midge, Griffith's Gnat
February Stoneflies, Midges Afternoon #14-24 Hares Ear, Zebra Midge
March Caddisflies, Midges Afternoon #14-18 Elk Hair Caddis, Zebra Midge
April Mayflies Afternoon #12-16 Adams, Blue Wing Olive
Caddisflies Afternoon #14-16 Elk Hair Caddis, Hares Ear
May Mayflies Afternoon #12-16 Adams, Blue Wing Olive
Stoneflies Afternoon #10-14 Stimulator, Hares Ear
June Mayflies Afternoon #12-16 Adams, Blue Wing Olive
Caddisflies Afternoon #10-14 Elk Hair Caddis, Hares Ear
July Terrestrials All Day #8-12 Hopper, Ant Patterns
August Terrestrials All Day #8-12 Hopper, Ant Patterns
September Terrestrials, Caddisflies All Day #8-14 Hopper, Elk Hair Caddis
October Mayflies Afternoon #12-18 Adams, Blue Wing Olive
November Midges All Day #18-24 Zebra Midge, Griffith's Gnat
December Midges All Day #18-24 Zebra Midge, Griffith's Gnat

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 Mattole River in Petrolia, California is a serene, picturesque spot ideal for fly fishing. The river, surrounded by lush greenery and teeming with diverse aquatic life, offers several points that are perfect for casting your line and enjoying the sport.

  • The Mouth of the Mattole: Located at the end of Lighthouse Road, is one of the most popular spots, especially for Steelhead and Salmon during their spawning.
  • A.W. Way County Park: Easily accessible and offers wide river expanses couched in a tranquil setting.
  • Honeydew Creek: This joining point is particularly rich in fish species.
  • Petrolia Bridge Crossing: A local favorite and the starting point of some great fishing trails down the river.
  • Mill Creek: A tributary of the Mattole River with several holes that hold summer Steelhead.

Remember, fishing regulations change yearly, always check with the local Fish and Wildlife department before you go. Enjoy your fly fishing in Mattole River – Petrolia!

Best Access Points

The Mattole River – Petrolia is a paradise for fly fishers, boasting a rich eco-system teeming with diverse species. Here are some of the best access points to fly fish:

  • Mattole River Mouth: Renowned for its robust salmon and steelhead population, the river mouth is easily one of the prime spots for fly fishing.
  • Honeydew Bridge: This well-known fishing location provides excellent access to the river.
  • Ettersburg Bridge: Situated upstream, it offers a serene fishing experience, particularly for catching steelhead.

Keep in mind that while the Mattole River is an incredible destination for fly fishing, it’s critical to consider and follow local fishing regulations to protect its beauty and biodiversity.

Local Fish

  • Steelhead Trout: Known for their acrobatics and fighting strength, they are a primary target for most anglers.
  • King Salmon: They are the largest species in the Pacific salmon family and a top target for fly fishing due to their large size.
  • Coho Salmon: Also known as silver salmon, they are targeted for their fight and size, which can reach up to 20 pounds.
  • Chinook Salmon: The largest species of the Pacific salmon, they can reach up to 50 pounds, providing a great challenge for fly fishers.
  • Rainbow Trout: A hard fighting fish, they are a popular choice for fly fishers due to their vibrant coloration and spirited fight.
  • Brown Trout: These fish are challenging to catch which adds to the excitement of the sport. They can be distinguished from other trout species by their light haloed black and red spots on their sides.
  • Brook Trout: These are a beautiful species of fish that are native to the area, known for their aggressive takes and stunning appearance.
  • Chum Salmon: Also known as dog salmon due to their large, dog-like teeth, they provide a strong fight and are particularly exciting to catch on a fly rod.

About The River

Winding through the verdant beauty of Humboldt County, the mesmerizing Mattole River flows tranquilly around the quaint town of Petrolia. Its journey begins in the King Range mountains, meticulously carving a way through the scenic Lost Coast area before reaching its placid conclusion at the Pacific Ocean.

The river’s rich history is as compelling as its natural beauty. The indigenous Mattole people, for whom the river is named, were the earliest known inhabitants, living in harmony with the river’s bountiful resources.

  • In the mid-19th Century, the arrival of settlers hunting for oil led to the establishment of Petrolia, named aptly after the petroleum abundant in the region. Ironically, however, oil was never commercially produced.
  • Late 20th Century saw the rise of the environmental consciousness among the locals, leading to several successful conservation campaigns to protect the river’s biodiversity and the endangered Coho salmon.

Thanks to these efforts, the majestic Mattole River continues to be a vital life source and a profound symbol of nature’s resilience.

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