Big Lost Lake

Wood River Drainage

    Big Lost Lake in Blaine County is 9.3 acres.

    Bureau of Land Management, Esri Canada, Esri, HERE, Garmin, INCREMENT P, Intermap, USGS, METI/NASA, EPA, USDA |
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    Species Observed in Surveys

    Fish Stocking Records

    Date
    Species
    Quantity
    General Size
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    Date
    Species
    Quantity
    General Size
    2024/09/14 Arctic Grayling 948 Fry (0-3 inches)
    2020/09/29 Arctic Grayling 494 Fry (0-3 inches)
    2018/09/27 Arctic Grayling 501 Fry (0-3 inches)
    2017/08/25 Arctic Grayling 802 Fry (0-3 inches)
    2014/09/08 Arctic Grayling 346 Fry (0-3 inches)
    2006/09/12 Arctic Grayling 500 Fry (0-3 inches)
    2003/08/26 Arctic Grayling 1,000 Fry (0-3 inches)
    2001/08/16 Arctic Grayling 495 Fry (0-3 inches)
    1998/09/11 Arctic Grayling 500 Fry (0-3 inches)
    1997/09/03 Arctic Grayling 500 Fry (0-3 inches)
    1996/07/24 Arctic Grayling 509 Fry (0-3 inches)
    1995/08/08 Arctic Grayling 784 Fry (0-3 inches)
    1994/09/15 Cutthroat Trout - Yellowstone 500 Fry (0-3 inches)
    1991/09/04 Arctic Grayling 1,000 Fry (0-3 inches)
    1991/09/04 Cutthroat Trout - Yellowstone 1,000 Fry (0-3 inches)
    1988/08/31 Arctic Grayling 1,000 Fry (0-3 inches)
    1988/08/31 Cutthroat Trout - Westslope 1,000 Fry (0-3 inches)
    1987/08/06 Arctic Grayling 500 Fry (0-3 inches)
    1985/07/16 Cutthroat Trout - Yellowstone 1,000 Fry (0-3 inches)
    1982/08/17 Cutthroat Trout - Yellowstone 1,000 Fry (0-3 inches)
    1979/08/10 Cutthroat Trout - Unspecified 1,000 Fry (0-3 inches)
    1976/09/02 Cutthroat Trout - Unspecified 384 Fry (0-3 inches)
    1975/07/22 Arctic Grayling 8,992 Fry (0-3 inches)
    1974/07/26 Arctic Grayling 3,000 Fry (0-3 inches)
    1973/08/31 Cutthroat Trout - Unspecified 2,176 Fry (0-3 inches)
    1973/07/05 Arctic Grayling 2,408 Fry (0-3 inches)
    1971/08/26 Cutthroat Trout - Unspecified 2,500 Fry (0-3 inches)
    1971/07/28 Arctic Grayling 4,800 Fry (0-3 inches)
    1970/07/13 Arctic Grayling 2,800 Fry (0-3 inches)
    1969/08/14 Cutthroat Trout - Unspecified 2,829 Fry (0-3 inches)
    1969/07/18 Arctic Grayling 1,900 Fry (0-3 inches)
    Source: IDFG Fish Stocking Database.

    Licenses and Tags

    Learn more about IDFG Licenses, Tags & Permits
     

    Fishing Rules, 2025 - 2027

    All Waters Open All Year

    Except as modified in Special Rules
    Fishing is not allowed within the posted upstream and downstream boundary of any fish weir or trap.

    Daily Bag Limits

    The following daily bag limits apply to all waters within each region except as modified in the Special Rules. The possession limit is 3-times the daily bag limit.

    Special Rules

    No Special Rules for Big Lost Lake.
    Magic Valley Region Bag Limits
    Bass (Largemouth and Smallmouth)

    • Bass limit is 6, both species combined
    • None under 12 inches

    Brook Trout

    • Brook Trout limit is 25
    • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for Brook Trout

    Bull Trout

    • Bull Trout - catch-and-release

    Kokanee

    • Kokanee limit is 6

    Sturgeon

    • Sturgeon - catch-and-release
    • Sturgeon must not be removed from the water and must be released upon landing
    • Barbless hooks, sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device are required. See fishing regulations for details

    Tiger Muskie

    • Tiger Muskie limit is 2, none under 40 inches

    Trout includes Brown Trout, Lake Trout, Golden Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, land-locked Chinook and Coho Salmon, trout hydrids (.e.g. Tiger Trout)

    • Trout limit is 6, all species combined
    • In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout
    • Bull Trout and Brook Trout are listed separately

    Walleye

    • Walleye limit is 6

    Whitefish

    • Whitefish limit is 25
    • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for whitefish

    Protected Nongame Fish includes Northern Leatherside Chub, Shoshone Sculpin, Wood River Sculpin, and Bluehead Sucker (also known as Green Sucker)

    • May not be harvested or possessed

    All Other Fish Species includes bullfrogs and crayfish

    • No bag, length or possession limit
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