Onion Valley Reservoir

Onion Valley Reservoir was constructed in the early 1960s as an irrigation reservoir. The land surrounding the reservoir is managed by the Bureau of Land Management making the entire area accessible to angling.

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Region
Western
County
Humboldt
Type of water
Lake or Reservoir
Fishing Report

Closed to fishing until June 11, 2022.  Fishing is expected to be great to excellent this season.

06-08-2022

Stocking Updates

Stocked Species Inches Date Stocked Year to Date
5280Rainbow Trout9.906-10-20225280

Pertinent Information

Onion Valley Reservoir covers 101 acres when full and has a maximum depth of 24 feet. Sport fish include rainbow trout, bowcutt trout (rainbow x cutthroat trout hybrid), and tiger trout (brown x brook trout hybrid). Anglers generally catch trout ranging from 9 to 16 inches. The best times of year to fish are mid-June during the damselfly hatch and from mid-October to the end of the season (November 15). The standard baits include nightcrawlers and Power Bait along with flies (nymph patterns and woolly buggers) fished from float tubes. Camping occurs at primitive sites and a restroom is located at the south end of the lake. Aspen stringers make this area a beautiful place to camp.