Blue Stream Fly Fishing
Fly Fishing Report for:

Tuolumne River - Above Hetch Hetchy - 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 Daytime 18-22 Zebra Midges, Griffith's Gnat
Winter Stoneflies Morning 14-20 Black Stonefly Nymph
February Midges Daytime 18-22 Zebra Midges, Griffith's Gnat
Blue Winged Olives Afternoon 16-20 BWO Emerger
March Blue Winged Olives Afternoon 16-20 BWO Emerger, Pheasant Tail Nymph
Little Black Stoneflies Morning 16-18 Black Stonefly Nymph
April Caddis Afternoon 14-18 Elk Hair Caddis
Blue Winged Olives Afternoon 16-20 BWO Emerger
May Golden Stoneflies Daytime 6-10 Golden Stonefly Nymph
Mayflies Afternoon 12-16 Pheasant Tail Nymph
June Caddis Evening 14-18 Elk Hair Caddis
Golden Stoneflies Daytime 6-10 Golden Stonefly Nymph
July Terrestrials Daytime 8-12 Hopper Patterns
Caddis Evening 14-18 Elk Hair Caddis
August Terrestrials Daytime 8-12 Hopper Patterns
Caddis Evening 14-18 Elk Hair Caddis
September Terrestrials Daytime 8-12 Hopper Patterns
Caddis Evening 14-18 Elk Hair Caddis
October Blue Winged Olives Afternoon 16-20 BWO Emerger
October Caddis Evening 6-8 October Caddis Pupa
November Midges Daytime 18-22 Zebra Midges, Griffith's Gnat
Blue Winged Olives Afternoon 16-20 BWO Emerger
December Midges Daytime 18-22 Zebra Midges, Griffith's Gnat
Winter Stoneflies Morning 14-20 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 Tuolumne River above Hetch Hetchy offers some exceptional spots for fly fishing, thanks to its pristine waters and thriving fish populations.

  • Poopenaut Valley: Often overlooked by anglers, Poopenaut Valley besides the river provides a serene and less-traveled fishing area teeming with trout.
  • South Fork: The South Fork of the Tuolumne River boasts a bountiful supply of Brown and Rainbow trout. The steep canyon walls make for a picturesque fishing setting.
  • Cherry Creek: Cherry Creek is a tributary of the Tuolumne River; its fast-flowing rapids and deep pools abundant with various species of trout make it a favorite among fly fishers.
  • Granite Creek: This tributary is known for its remote location and healthy trout population. Its challenging rapids add a sense of adventure.
  • Tioga Road: This spot is perfect for anglers looking for less rugged terrains. Trout are plentiful in this part of the river, which flows alongside Tioga Road.

Best Access Points

The Tuolumne River, above Hetch Hetchy, is a prime location for fly fishing. Below are the best access points:

  • Meral’s Pool: An ideal spot situated downstream from Lumsden Bridge.
  • South Fork Tuolumne River: Offers excellent opportunities for fly fishing. Access from Groveland along Ferretti Road.
  • Cherry Creek: A wild place with challenging fishing. Accessibility is limited due to steep terrain.
  • Middle Fork Tuolumne River: Best accessed by a trail at Carlon Day Use Area.

Remember to obtain required permits and to adhere to all fishing regulations. Practicing Catch and Release helps to maintain a healthy fish population in the river.

Local Fish

  • Rainbow Trout: Rainbow Trout are present in large numbers in the Tuolumne River watershed. They are a sport fish species and provide a challenging fly fishing experience. They are characterized by their silver color with a pinkish band on the side and speckles over their entire body.

  • Brook Trout: Brook Trout thrive in the cool, clear waters of the Tuolumne River. They are smaller than other trout species and have a dark green to brown color with a distinctive marbled pattern.

  • Brown Trout: Brown Trout are also favored among fly fishers in the Tuolumne River due to their size and the fight they put up when hooked. They have a golden brown body with large black and red-orange spots.

  • Mountain Whitefish: Mountain Whitefish are a native species that inhabit the deeper pools and runs in the river. They can provide an interesting diversion for fly fishers.

  • Western Pikeminnow: Though not as popular as trout, the Western Pikeminnow in the Tuolumne River can still offer a fun challenge for fly fishers.

  • Hardhead: Hardhead is another native fish that can be found in the river. They are a cyprinid fish and have large, robust bodies that can give a good fight when hooked.

  • Golden Trout: Golden Trout are native to California and are also found in the Tuolumne River. They are not as common as other species but are highly prized by fly fishers due to their beautiful golden-yellow color and the challenge they present.

  • Sacramento Sucker: Sacramento Suckers are not traditionally targeted by fly fishers, but can provide an interesting challenge due to their strong, stubborn fight when hooked.

About The River

The Tuolumne River is a majestic stream of water that starts above Hetch Hetchy, in the high Sierra Nevada, California. The river, stretching about 150 miles, has a rich history and captivating beauty.

The Native Americans were the first to experience this watercourse around 10,000 years ago, giving it the name ‘Tuolumne’, which denotes ‘cluster of stones’.

  • Gold Rush Era: In mid 19th century, during the California Gold Rush, the river saw a swarm of miners and settlers. Along its banks flourished vivid communities and trading posts.
  • Hetch Hetchy Reservoir: The river’s most significant historical event may be the creation of the Hetch Hetchy Reservoir in the early 20th century, providing San Francisco with a reliable water supply.

Today, the Tuolumne River remains a major water source while also serving as a recreational draw for hikers, rafters, and wildlife enthusiasts.

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