Mason County, Washington trout stocking

Washington stocks 55 waters in Mason County (52 lakes and ponds). The most recent stocking was Lost Lake, 4 weeks ago (Oct 9, 2026). Most stockings here come in April to May. On our record, 8 of these waters have been stocked in November and December.

Updated nightly from the Washington Department of Fish and Wildlife (WDFW) stocking data.

Recent and upcoming stockings

When Mason County is stocked

Mason County waters stocked in November and December

Across every year on record, most stocking days first. Past years are a guide, not a schedule.

1. 1.Spencer Lake22 stocking days in 10 years, last Dec 18, 2025
2. 2.Mason Lake15 stocking days in 8 years, last Nov 10, 2025
3. 3.Trails End Lake11 stocking days in 9 years, last Dec 12, 2025
4. 4.Lost Lake9 stocking days in 8 years, last Dec 12, 2025
5. 5.Devereaux Lake8 stocking days in 8 years, last Dec 19, 2025
6. 6.Cady Lake7 stocking days in 7 years, last Dec 12, 2025
7. 7.Lake Kokanee1 stocking day, last Nov 6, 2023
8. 8.Benson Lake1 stocking day, last Dec 30, 2016

Stocked waters in Mason County

Other Washington counties

• Adams (4)
• Asotin (6)
• Chelan (84)
• Clallam (5)
• Clark (6)
• Columbia (12)
• Cowlitz (7)
• Douglas (7)
• Ferry (12)
• Franklin (4)
• Grant (87)
• Grays Harbor (16)
• Island (5)
• Jefferson (13)
• King (194)
• Kitsap (16)
• Kittitas (58)
• Klickitat (6)
• Lewis (52)
• Lincoln (8)
• Okanogan (84)
• Pacific (8)
• Pend Oreille (33)
• Pierce (43)
• San Juan (4)
• Skagit (48)
• Skamania (71)
• Snohomish (127)
• Spokane (17)
• Stevens (34)
• Thurston (17)
• Walla Walla (7)
• Whatcom (34)
• Whitman (8)
• Yakima (77)