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Washington stocking report

Osborne Lakes

50 records Last stocked: April 9, 2026

The short answer

Osborne Lakes was last stocked on April 9, 2026: 160 Rainbow Trout (Legals, 2.5 fish/lb).

County
Mason
Species on record
Rainbow Trout, Cutthroat Trout
Records
50 stocking events
Official source
Washington Department of Fish and Wildlife report

Location map

Osborne Lakes 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 Osborne Lakes, Mason County Osborne Lakes Mason Lake, Mason County Mason Lake Finch Creek 16.0222, Mason County Finch Creek 16.0222 Pine Lake, Mason County Pine Lake Lake Kokanee, Mason County Lake Kokanee Panhandle Lake, Mason County Panhandle Lake Aldrich Lake, Mason County Aldrich Lake Clara Lake, Mason County Clara Lake Robbins Lake, Mason County Robbins Lake Mason County
Osborne LakesMason County Mason LakeMason County Finch Creek 16.0222Mason County Pine LakeMason County Lake KokaneeMason 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
April 9, 2026 Rainbow Trout 160 Legals, 2.5 fish/lb EELLS SPRINGS
October 15, 2025 Rainbow Trout 280 Fry, 16.3 fish/lb EELLS SPRINGS
September 17, 2025 Cutthroat Trout 200 Fingerling, 27.2 fish/lb EELLS SPRINGS Resident Coastal run
April 2, 2025 Rainbow Trout 200 Legals, 2.16 fish/lb EELLS SPRINGS
October 1, 2024 Cutthroat Trout 200 Fingerling, 23 fish/lb EELLS SPRINGS Resident Coastal run
October 1, 2024 Rainbow Trout 240 Fry, 12.05 fish/lb EELLS SPRINGS
April 3, 2024 Rainbow Trout 200 Legals, 2.35 fish/lb EELLS SPRINGS
October 9, 2023 Rainbow Trout 240 Fry, 11.5 fish/lb EELLS SPRINGS
September 28, 2023 Cutthroat Trout 200 Yearling, 20 fish/lb EELLS SPRINGS Resident Coastal run
April 5, 2023 Rainbow Trout 200 Legals, 2.34 fish/lb EELLS SPRINGS
October 5, 2022 Cutthroat Trout 236 Fingerling, 20.84 fish/lb EELLS SPRINGS Resident Coastal run
October 5, 2022 Rainbow Trout 244 Fry, 13.27 fish/lb EELLS SPRINGS
March 29, 2022 Rainbow Trout 200 Legals, 2.65 fish/lb EELLS SPRINGS
October 5, 2021 Cutthroat Trout 200 Fingerling, 26.48 fish/lb EELLS SPRINGS Resident Coastal run
October 5, 2021 Rainbow Trout 240 Fry, 12.63 fish/lb EELLS SPRINGS
April 2, 2021 Rainbow Trout 260 Legals, 2.56 fish/lb EELLS SPRINGS
October 14, 2020 Rainbow Trout 250 Fry, 12.17 fish/lb EELLS SPRINGS
May 1, 2020 Rainbow Trout 230 Legals, 2.1 fish/lb EELLS SPRINGS
September 25, 2019 Rainbow Trout 240 Fry, 17.2 fish/lb EELLS SPRINGS
September 24, 2019 Cutthroat Trout 200 Fingerling, 28 fish/lb EELLS SPRINGS Resident Coastal run
April 4, 2019 Rainbow Trout 200 Legals, 2.5 fish/lb EELLS SPRINGS
October 12, 2018 Rainbow Trout 240 Legals, 9.5 fish/lb EELLS SPRINGS
October 10, 2018 Cutthroat Trout 200 Fingerling, 21.9 fish/lb EELLS SPRINGS Resident Coastal run
April 3, 2018 Rainbow Trout 200 Legals, 2.4 fish/lb EELLS SPRINGS
October 9, 2017 Cutthroat Trout 240 Fingerling, 24 fish/lb EELLS SPRINGS Resident Coastal run
April 4, 2017 Rainbow Trout 200 Legals, 2.44 fish/lb EELLS SPRINGS
October 12, 2016 Cutthroat Trout 800 Fingerling, 20.5 fish/lb EELLS SPRINGS Resident Coastal run
March 25, 2016 Rainbow Trout 200 Legals, 2.4 fish/lb EELLS SPRINGS
September 29, 2015 Rainbow Trout 320 Fry, 10.7 fish/lb EELLS SPRINGS
March 31, 2015 Rainbow Trout 200 Legals, 2.5 fish/lb EELLS SPRINGS
October 10, 2014 Rainbow Trout 320 Fry, 10.3 fish/lb EELLS SPRINGS
April 2, 2014 Rainbow Trout 200 Legals, 2.5 fish/lb EELLS SPRINGS
November 1, 2013 Rainbow Trout 320 Legals, 7.2 fish/lb EELLS SPRINGS
May 24, 2011 Cutthroat Trout 824 Fry, 412 fish/lb EELLS SPRINGS Resident Coastal run
May 24, 2011 Rainbow Trout 200 Legals, 2.5 fish/lb EELLS SPRINGS
April 27, 2007 Rainbow Trout 300 Legals, 3.5 fish/lb EELLS SPRINGS
April 28, 2006 Rainbow Trout 300 Legals, 3 fish/lb EELLS SPRINGS
April 26, 2005 Rainbow Trout 304 Legals, 3.2 fish/lb EELLS SPRINGS
April 23, 2004 Rainbow Trout 315 Legals, 3.5 fish/lb EELLS SPRINGS
April 23, 2003 Rainbow Trout 301 Legals, 3.5 fish/lb EELLS SPRINGS
April 22, 2002 Rainbow Trout 315 Legals, 3.5 fish/lb EELLS SPRINGS
April 26, 2001 Rainbow Trout 300 Legals, 3.7 fish/lb EELLS SPRINGS
April 28, 2000 Rainbow Trout 300 Legals, 3.3 fish/lb EELLS SPRINGS
April 21, 1999 Rainbow Trout 372 Legals, 3.1 fish/lb EELLS SPRINGS
April 21, 1998 Rainbow Trout 300 Legals, 4 fish/lb EELLS SPRINGS
May 30, 1997 Rainbow Trout 1,440 Fry, 96 fish/lb EELLS SPRINGS
April 24, 1997 Rainbow Trout 400 Legals, 4 fish/lb EELLS SPRINGS
June 20, 1996 Rainbow Trout 1,500 Fry, 100 fish/lb EELLS SPRINGS
June 8, 1995 Rainbow Trout 1,520 Fry, 80 fish/lb EELLS SPRINGS
April 13, 1995 Rainbow Trout 405 Legals, 5.4 fish/lb EELLS SPRINGS

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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