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Washington stocking report

Lone Tree Lake

15 records Last stocked: October 9, 2025

The short answer

Lone Tree Lake was last stocked on October 9, 2025: 125 Cutthroat Trout (Fry, 250 fish/lb).

County
Lewis
Species on record
Cutthroat Trout
Records
15 stocking events
Official source
Washington Department of Fish and Wildlife report

Location map

Lone Tree Lake location context

Approximate · county context
Adams County Asotin County Benton County Chelan County Clallam County Clark County Columbia County Cowlitz County Douglas County Ferry County Franklin County Garfield County Grant County Grays Harbor County Island County Jefferson County King County Kitsap County Kittitas County Klickitat County Lewis County Lincoln County Mason County Okanogan County Pacific County Pend Oreille County Pierce County San Juan County Skagit County Skamania County Snohomish County Spokane County Stevens County Thurston County Wahkiakum County Walla Walla County Whatcom County Whitman County Yakima County WA Lone Tree Lake, Lewis County Lone Tree Lake Mayfield Reservoir, Lewis County Mayfield Reservoir Bishop Ridge Lakes, Lewis County Bishop Ridge Lakes Mud Lake, Lewis County Mud Lake Goose Lake, Lewis County Goose Lake Mineral Lake, Lewis County Mineral Lake Rainey Creek 26.0651, Lewis County Rainey Creek 26.0651 Bill Lake, Lewis County Bill Lake Snow Lake T14, Lewis County Snow Lake T14 Lewis County
Lone Tree LakeLewis County Mayfield ReservoirLewis County Bishop Ridge LakesLewis County Mud LakeLewis County Goose LakeLewis County

Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.

Agency records

Full stocking history

DateSpeciesFishSizeHatcheryNotes
October 9, 2025 Cutthroat Trout 125 Fry, 250 fish/lb MOSSYROCK HATCHERY Westslope run
September 26, 2023 Cutthroat Trout 125 Fry, 250 fish/lb MOSSYROCK HATCHERY Westslope run
September 30, 2021 Cutthroat Trout 125 Fry, 250 fish/lb MOSSYROCK HATCHERY Westslope run
September 4, 2019 Cutthroat Trout 125 Fry, 436 fish/lb MOSSYROCK HATCHERY Westslope run
September 19, 2017 Cutthroat Trout 125 Fry, 250 fish/lb MOSSYROCK HATCHERY Westslope run
August 18, 2015 Cutthroat Trout 125 Fry, 250 fish/lb MOSSYROCK HATCHERY Westslope run
September 26, 2012 Cutthroat Trout 125 Fry, 500 fish/lb MOSSYROCK HATCHERY Westslope run
October 4, 2010 Cutthroat Trout 125 Fry, 200 fish/lb MOSSYROCK HATCHERY Westslope run
September 3, 2008 Cutthroat Trout 130 Fry, 260 fish/lb MOSSYROCK HATCHERY Westslope run
September 5, 2006 Cutthroat Trout 131 Fry, 436 fish/lb MOSSYROCK HATCHERY Westslope run
October 26, 2004 Cutthroat Trout 126 Fry, 70 fish/lb MOSSYROCK HATCHERY Westslope run
September 18, 2002 Cutthroat Trout 128 Fry, 142 fish/lb MOSSYROCK HATCHERY Westslope run
September 12, 2000 Cutthroat Trout 126 Fry, 252 fish/lb MOSSYROCK HATCHERY Westslope run
September 18, 1998 Cutthroat Trout 132 Fry, 220 fish/lb MOSSYROCK HATCHERY Westslope run
September 3, 1996 Cutthroat Trout 150 Fry, 500 fish/lb MOSSYROCK HATCHERY Westslope run

Records shown exactly as published by Washington Department of Fish and Wildlife. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Data source: Washington Department of Fish and Wildlife. Last updated: .

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