Little Trinity Lake

Boise River Drainage

    Little Trinity Lake in Elmore County is 8.5 acres.

    Interactive Map
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    Fish Stocking Records

    Date Species Quantity General Size
    2023/09/11 Westslope Cutthroat - Triploid 994 Fry (0-3 inches)
    2023/08/15 Rainbow - Hayspur Triploid 475 Catchable (6+ inches)
    2023/08/02 Rainbow - Hayspur Triploid 700 Catchable (6+ inches)
    2022/08/18 Rainbow - Hayspur Triploid 475 Catchable (6+ inches)
    2022/08/12 Westslope Cutthroat - Triploid 1,000 Fry (0-3 inches)
    2022/07/21 Rainbow - Hayspur Triploid 715 Catchable (6+ inches)
    2021/08/18 Rainbow - Hayspur Triploid 475 Catchable (6+ inches)
    2021/07/26 Westslope Cutthroat - Triploid 1,010 Fry (0-3 inches)
    2021/06/24 Rainbow - Hayspur Triploid 825 Catchable (6+ inches)
    2020/08/25 Westslope Cutthroat - Triploid 995 Fry (0-3 inches)
    2020/08/11 Rainbow - Hayspur Triploid 418 Catchable (12-14 inches)
    2020/07/28 Rainbow - Hayspur Triploid 644 Catchable (12-14 inches)
    2019/08/28 Westslope Cutthroat 1,000 Fry (0-3 inches)
    2019/08/21 Rainbow - Hayspur Triploid 480 Catchable (6+ inches)
    2019/07/16 Rainbow - Hayspur Triploid 816 Catchable (6+ inches)
    2018/08/16 Westslope Cutthroat 1,002 Fry (0-3 inches)
    2018/08/14 Rainbow - Hayspur Triploid 470 Catchable (6+ inches)
    2018/07/18 Rainbow - Hayspur Triploid 720 Catchable (6+ inches)
    2017/08/10 Rainbow - Hayspur Triploid 534 Catchable (6+ inches)
    2017/08/03 Westslope Cutthroat 1,001 Fry (0-3 inches)
    2016/08/25 Rainbow - Hayspur Triploid 475 Catchable (6+ inches)
    2016/08/16 Westslope Cutthroat 1,001 Fry (0-3 inches)
    2016/07/15 Rainbow - Hayspur Triploid 815 Catchable (6+ inches)
    2015/08/25 Rainbow - Troutlodge Triploid 472 Catchable (6+ inches)
    2015/07/27 Rainbow - Troutlodge Triploid 745 Catchable (6+ inches)
    2015/07/21 Westslope Cutthroat 992 Fry (0-3 inches)
    2014/08/29 Rainbow - Troutlodge Triploid 520 Catchable (6+ inches)
    2014/08/05 Westslope Cutthroat 1,004 Fry (0-3 inches)
    2014/07/31 Rainbow - Hayspur Triploid 1,050 Catchable (6+ inches)
    2013/08/06 Westslope Cutthroat 1,002 Fry (0-3 inches)
    2013/07/23 Rainbow - Troutlodge Triploid 445 Catchable (6+ inches)
    2013/07/09 Rainbow - Troutlodge Triploid 728 Catchable (6+ inches)
    2012/09/07 Westslope Cutthroat 1,000 Fry (0-3 inches)
    2012/07/23 Rainbow - Troutlodge Triploid 720 Catchable (6+ inches)
    2011/09/07 Westslope Cutthroat 1,004 Fry (0-3 inches)
    2011/08/30 Rainbow - Troutlodge Triploid 505 Catchable (6+ inches)
    2011/08/02 Rainbow - Troutlodge Triploid 748 Catchable (6+ inches)
    2010/09/15 Westslope Cutthroat 1,004 Fry (0-3 inches)
    2010/08/24 Rainbow - Troutlodge Triploid 560 Catchable (6+ inches)
    2010/07/22 Rainbow - Troutlodge Triploid 1,875 Catchable (6+ inches)
    2009/09/17 Westslope Cutthroat 1,000 Fry (0-3 inches)
    2009/08/17 Rainbow - Troutlodge Triploid 480 Catchable (6+ inches)
    2009/07/23 Rainbow - Troutlodge Triploid 736 Catchable (6+ inches)
    2008/09/29 Westslope Cutthroat 1,000 Fry (0-3 inches)
    2008/08/19 Rainbow - Troutlodge Triploid 720 Catchable (6+ inches)
    2008/07/09 Rainbow - Troutlodge Triploid 600 Catchable (6+ inches)
    2007/08/23 Rainbow - Troutlodge Triploid 420 Catchable (6+ inches)
    2007/08/06 Henrys Lake Cutthroat 1,010 Fry (0-3 inches)
    2007/07/05 Rainbow - Troutlodge Triploid 770 Catchable (6+ inches)
    2006/09/06 Rainbow - Troutlodge Triploid 1,015 Catchable (6+ inches)
    2006/08/28 Westslope Cutthroat 1,000 Fry (0-3 inches)
    2006/07/25 Rainbow - Troutlodge Triploid 784 Catchable (6+ inches)
    2005/08/25 Rainbow - Troutlodge Triploid 1,500 Catchable (6+ inches)
    2005/08/17 Henrys Lake Cutthroat 1,040 Fry (0-3 inches)
    2004/09/02 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    2004/08/19 Rainbow - Troutlodge Triploid 506 Catchable (6+ inches)
    2004/07/20 Rainbow - Troutlodge Triploid 748 Catchable (6+ inches)
    2003/08/26 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    2003/08/12 Rainbow - Troutlodge Triploid 1,818 Catchable (6+ inches)
    2003/07/17 Rainbow - Troutlodge Triploid 1,323 Catchable (6+ inches)
    2002/08/21 Rainbow - Troutlodge Triploid 500 Catchable (6+ inches)
    2002/08/19 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    2002/07/03 Rainbow - Troutlodge Triploid 750 Catchable (6+ inches)
    2001/08/16 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    2001/07/18 Rainbow - Troutlodge Triploid 500 Catchable (6+ inches)
    2001/06/26 Rainbow - Troutlodge Triploid 750 Catchable (6+ inches)
    2000/09/12 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    2000/08/01 Rainbow - Hayspur Triploid 500 Catchable (6+ inches)
    2000/07/12 Rainbow - Hayspur Triploid 750 Catchable (6+ inches)
    1999/09/08 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    1999/08/26 Domestic Kamloops 500 Catchable (6+ inches)
    1999/07/22 Domestic Kamloops 750 Catchable (6+ inches)
    1998/09/11 Henrys Lake Cutthroat 1,500 Fry (0-3 inches)
    1998/08/19 Domestic Kamloops 500 Catchable (6+ inches)
    1998/07/22 Domestic Kamloops 750 Catchable (6+ inches)
    1997/09/03 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    1997/08/06 Domestic Kamloops 500 Catchable (6+ inches)
    1997/07/23 Domestic Kamloops 750 Catchable (6+ inches)
    1996/08/27 Domestic Kamloops 500 Catchable (6+ inches)
    1996/07/29 Domestic Kamloops 750 Catchable (6+ inches)
    1996/07/24 Henrys Lake Cutthroat 1,056 Fry (0-3 inches)
    1995/08/24 Rainbow - Hayspur Diploid 500 Catchable (6+ inches)
    1995/08/18 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    1995/07/26 Domestic Kamloops 750 Catchable (6+ inches)
    1994/09/15 Henrys Lake Cutthroat 1,000 Fry (0-3 inches)
    1994/08/03 Troutlodge 500 Catchable (6+ inches)
    1993/09/04 Mt Shasta Rainbow 1,500 Fry (0-3 inches)
    1992/08/07 Westslope Cutthroat 1,000 Fry (0-3 inches)
    1991/07/30 Eagle Lake Rainbow 1,600 Fingerling (3-6 inches)
    1990/07/02 Mt Lassen Rainbow 750 Catchable (6+ inches)
    1990/07/02 Rainbow - Hayspur Diploid 1,500 Fingerling (3-6 inches)
    1989/07/18 Rainbow - Hayspur Diploid 660 Catchable (6+ inches)
    1988/07/25 Mt Lassen Rainbow 770 Catchable (6+ inches)
    1988/06/27 Mt Lassen Rainbow 729 Catchable (6+ inches)
    1987/06/22 Mt Lassen Rainbow 731 Catchable (6+ inches)
    1986/07/17 Mt Lassen Rainbow 765 Catchable (6+ inches)
    1985/07/01 Rainbow Unspecified 800 Catchable (6+ inches)
    1984/08/03 Rainbow Unspecified 703 Catchable (6+ inches)
    1982/08/24 Rainbow Unspecified 725 Catchable (6+ inches)
    1981/07/10 Rainbow Unspecified 651 Catchable (6+ inches)
    1980/07/14 Rainbow Unspecified 725 Catchable (6+ inches)
    1979/07/11 Rainbow Unspecified 725 Catchable (6+ inches)
    1978/07/26 Rainbow Unspecified 1,225 Catchable (6+ inches)
    1977/06/21 Rainbow Unspecified 1,700 Catchable (6+ inches)
    1976/07/26 Rainbow Unspecified 1,000 Catchable (6+ inches)
    1975/07/31 Rainbow Unspecified 725 Catchable (6+ inches)
    1974/07/17 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1973/07/16 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1972/07/24 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1971/08/03 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1970/07/20 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1969/07/09 Rainbow Unspecified 1,500 Catchable (6+ inches)
    1968/07/02 Rainbow Unspecified 1,500 Fingerling (3-6 inches)
    Source: IDFG Fish Stocking Database.

    Licenses and Tags

    Learn more about IDFG Licenses, Tags & Permits
     

    Fishing Rules, 2022 - 2024

    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 after the second day of the season.

    Special Rules

    Big and Little Trinity Lakes
    • No motors
    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 must be followed when fishing for Brook Trout

    Bull Trout

    • Bull Trout limit is 0, catch-and-release

    Kokanee

    • Kokanee limit is 6

    Sturgeon

    • Sturgeon limit is 0, catch-and-release
    • Sturgeon must not be removed from the water and must be released upon landing
    • Barbless hooks are required
    • Use of a sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device is 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
    • Does not include Bull Trout and Brook Trout which 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 must be followed 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, size or possession limit
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