StockerTroutFishing

Idaho · Elmore County

Big Trinity Lake - stocking report

Big Trinity Lake was last stocked on September 8, 2025: 3,981 Cutthroat Trout - Westslope (Fry (0-3 inches)).

County
Elmore
Species on record
Cutthroat Trout - Westslope, Rainbow Trout - Triploid, Rainbow Trout, Cutthroat Trout - Yellowstone
Records
132 stocking events
Official source
Idaho Department of Fish and Game report

Full stocking history

DateSpeciesFishSize
September 8, 2025 Cutthroat Trout - Westslope 3,981 Fry (0-3 inches)
July 16, 2025 Rainbow Trout - Triploid 3,285 Catchable (12-14 inches)
September 6, 2024 Cutthroat Trout - Westslope 4,016 Fry (0-3 inches)
August 29, 2024 Rainbow Trout 1,320 Catchable (6+ inches)
August 20, 2024 Rainbow Trout 1,162 Catchable (12-14 inches)
July 22, 2024 Rainbow Trout 1,050 Catchable (12-14 inches)
September 11, 2023 Cutthroat Trout - Westslope 3,976 Fry (0-3 inches)
August 15, 2023 Rainbow Trout - Triploid 1,208 Catchable (6+ inches)
August 1, 2023 Rainbow Trout - Triploid 2,000 Catchable (6+ inches)
August 18, 2022 Rainbow Trout - Triploid 1,200 Catchable (6+ inches)
August 12, 2022 Cutthroat Trout - Westslope 3,530 Fry (0-3 inches)
July 21, 2022 Rainbow Trout - Triploid 2,015 Catchable (6+ inches)
August 18, 2021 Rainbow Trout - Triploid 1,200 Catchable (6+ inches)
July 26, 2021 Cutthroat Trout - Westslope 4,039 Fry (0-3 inches)
June 24, 2021 Rainbow Trout - Triploid 2,475 Catchable (6+ inches)
August 25, 2020 Cutthroat Trout - Westslope 1,989 Fry (0-3 inches)
August 11, 2020 Rainbow Trout - Triploid 1,253 Catchable (12-14 inches)
July 27, 2020 Rainbow Trout - Triploid 1,978 Catchable (12-14 inches)
August 28, 2019 Cutthroat Trout - Westslope 2,000 Fry (0-3 inches)
August 21, 2019 Rainbow Trout - Triploid 1,280 Catchable (6+ inches)
July 16, 2019 Rainbow Trout - Triploid 2,004 Catchable (6+ inches)
August 16, 2018 Cutthroat Trout - Westslope 2,005 Fry (0-3 inches)
August 14, 2018 Rainbow Trout - Triploid 1,469 Catchable (6+ inches)
July 18, 2018 Rainbow Trout - Triploid 2,058 Catchable (6+ inches)
August 10, 2017 Rainbow Trout - Triploid 1,202 Catchable (6+ inches)
August 3, 2017 Cutthroat Trout - Westslope 2,003 Fry (0-3 inches)
August 25, 2016 Rainbow Trout - Triploid 950 Catchable (6+ inches)
August 16, 2016 Cutthroat Trout - Westslope 2,003 Fry (0-3 inches)
July 15, 2016 Rainbow Trout - Triploid 1,448 Catchable (6+ inches)
August 25, 2015 Rainbow Trout - Triploid 944 Catchable (6+ inches)
July 27, 2015 Rainbow Trout - Triploid 910 Catchable (6+ inches)
July 21, 2015 Cutthroat Trout - Westslope 2,004 Fry (0-3 inches)
August 29, 2014 Rainbow Trout - Triploid 975 Catchable (6+ inches)
August 5, 2014 Cutthroat Trout - Westslope 1,983 Fry (0-3 inches)
July 31, 2014 Rainbow Trout - Triploid 1,400 Catchable (6+ inches)
August 6, 2013 Cutthroat Trout - Westslope 2,004 Fry (0-3 inches)
July 23, 2013 Rainbow Trout - Triploid 1,207 Catchable (6+ inches)
July 23, 2013 Rainbow Trout - Triploid 50 Catchable (6+ inches)
July 9, 2013 Rainbow Trout - Triploid 1,176 Catchable (6+ inches)
July 9, 2013 Rainbow Trout - Triploid 270 Catchable (6+ inches)
September 7, 2012 Cutthroat Trout - Westslope 2,000 Fry (0-3 inches)
July 23, 2012 Rainbow Trout - Triploid 1,440 Catchable (6+ inches)
September 7, 2011 Cutthroat Trout - Westslope 2,007 Fry (0-3 inches)
August 30, 2011 Rainbow Trout - Triploid 1,000 Catchable (6+ inches)
August 2, 2011 Rainbow Trout - Triploid 1,553 Catchable (6+ inches)
September 15, 2010 Cutthroat Trout - Westslope 1,004 Fry (0-3 inches)
August 24, 2010 Rainbow Trout - Triploid 1,040 Catchable (6+ inches)
July 22, 2010 Rainbow Trout - Triploid 875 Catchable (6+ inches)
September 17, 2009 Cutthroat Trout - Westslope 2,000 Fry (0-3 inches)
August 17, 2009 Rainbow Trout - Triploid 960 Catchable (6+ inches)
July 23, 2009 Rainbow Trout - Triploid 1,504 Catchable (6+ inches)
September 29, 2008 Cutthroat Trout - Westslope 2,000 Fry (0-3 inches)
August 19, 2008 Rainbow Trout - Triploid 840 Catchable (6+ inches)
July 9, 2008 Rainbow Trout - Triploid 1,650 Catchable (6+ inches)
August 23, 2007 Rainbow Trout - Triploid 1,575 Catchable (6+ inches)
August 6, 2007 Cutthroat Trout - Yellowstone 2,019 Fry (0-3 inches)
July 5, 2007 Rainbow Trout - Triploid 1,540 Catchable (6+ inches)
August 28, 2006 Cutthroat Trout - Westslope 2,000 Fry (0-3 inches)
August 9, 2006 Rainbow Trout - Triploid 1,960 Catchable (6+ inches)
July 25, 2006 Rainbow Trout - Triploid 1,540 Catchable (6+ inches)
August 18, 2005 Rainbow Trout - Triploid 2,550 Catchable (6+ inches)
August 17, 2005 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
September 2, 2004 Cutthroat Trout - Yellowstone 2,500 Fry (0-3 inches)
August 19, 2004 Rainbow Trout - Triploid 990 Catchable (6+ inches)
July 20, 2004 Rainbow Trout - Triploid 1,513 Catchable (6+ inches)
August 26, 2003 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
August 12, 2003 Rainbow Trout - Triploid 1,099 Catchable (6+ inches)
July 17, 2003 Rainbow Trout - Triploid 1,890 Catchable (6+ inches)
August 21, 2002 Rainbow Trout - Triploid 1,000 Catchable (6+ inches)
August 19, 2002 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
July 3, 2002 Rainbow Trout - Triploid 1,500 Catchable (6+ inches)
August 16, 2001 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
July 18, 2001 Rainbow Trout - Triploid 1,500 Catchable (6+ inches)
June 26, 2001 Rainbow Trout - Triploid 1,000 Catchable (6+ inches)
September 12, 2000 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
August 1, 2000 Rainbow Trout - Triploid 1,500 Catchable (6+ inches)
July 12, 2000 Rainbow Trout - Triploid 1,000 Catchable (6+ inches)
September 8, 1999 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
August 26, 1999 Rainbow Trout 1,000 Catchable (6+ inches)
July 22, 1999 Rainbow Trout 1,000 Catchable (6+ inches)
September 11, 1998 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
August 19, 1998 Rainbow Trout 1,500 Catchable (6+ inches)
July 22, 1998 Rainbow Trout 1,250 Catchable (6+ inches)
September 3, 1997 Cutthroat Trout - Yellowstone 1,000 Fry (0-3 inches)
August 6, 1997 Rainbow Trout 1,000 Catchable (6+ inches)
July 23, 1997 Rainbow Trout 1,500 Catchable (6+ inches)
August 27, 1996 Rainbow Trout 1,000 Catchable (6+ inches)
July 29, 1996 Rainbow Trout 2,000 Catchable (6+ inches)
July 24, 1996 Cutthroat Trout - Yellowstone 2,112 Fry (0-3 inches)
August 24, 1995 Rainbow Trout 1,000 Catchable (6+ inches)
August 18, 1995 Cutthroat Trout - Yellowstone 2,000 Fry (0-3 inches)
July 26, 1995 Rainbow Trout 2,000 Catchable (6+ inches)
September 15, 1994 Cutthroat Trout - Yellowstone 1,000 Fry (0-3 inches)
August 3, 1994 Rainbow Trout - Triploid 1,000 Catchable (6+ inches)
June 30, 1994 Rainbow Trout - Triploid 1,950 Catchable (6+ inches)
September 2, 1993 Rainbow Trout 1,000 Catchable (6+ inches)
August 5, 1993 Rainbow Trout 2,040 Catchable (6+ inches)
August 17, 1992 Rainbow Trout 1,000 Catchable (6+ inches)
July 1, 1992 Rainbow Trout 2,000 Catchable (6+ inches)
August 8, 1991 Rainbow Trout 1,000 Catchable (6+ inches)
July 30, 1991 Rainbow Trout 2,000 Fingerling (3-6 inches)
August 15, 1990 Rainbow Trout 1,000 Catchable (6+ inches)
July 2, 1990 Rainbow Trout 2,000 Catchable (6+ inches)
August 28, 1989 Rainbow Trout 550 Catchable (6+ inches)
July 18, 1989 Rainbow Trout 1,100 Catchable (6+ inches)
August 22, 1988 Rainbow Trout 1,250 Catchable (6+ inches)
July 25, 1988 Rainbow Trout 1,298 Catchable (6+ inches)
June 27, 1988 Rainbow Trout 1,202 Catchable (6+ inches)
August 17, 1987 Rainbow Trout 1,296 Catchable (6+ inches)
July 22, 1987 Rainbow Trout 1,311 Catchable (6+ inches)
June 22, 1987 Rainbow Trout 1,238 Catchable (6+ inches)
August 13, 1986 Rainbow Trout 1,198 Catchable (6+ inches)
July 17, 1986 Rainbow Trout 1,190 Catchable (6+ inches)
August 20, 1985 Rainbow Trout 1,014 Catchable (6+ inches)
July 1, 1985 Rainbow Trout 1,344 Catchable (6+ inches)
September 19, 1984 Rainbow Trout 504 Catchable (6+ inches)
August 3, 1984 Rainbow Trout 1,887 Catchable (6+ inches)
August 24, 1982 Rainbow Trout 2,377 Catchable (6+ inches)
July 10, 1981 Rainbow Trout 2,115 Catchable (6+ inches)
July 14, 1980 Rainbow Trout 2,350 Catchable (6+ inches)
July 11, 1979 Rainbow Trout 2,350 Catchable (6+ inches)
July 26, 1978 Rainbow Trout 3,350 Catchable (6+ inches)
June 21, 1977 Rainbow Trout 4,185 Catchable (6+ inches)
July 26, 1976 Rainbow Trout 2,000 Catchable (6+ inches)
July 31, 1975 Rainbow Trout 1,350 Catchable (6+ inches)
July 17, 1974 Rainbow Trout 3,000 Catchable (6+ inches)
July 16, 1973 Rainbow Trout 3,000 Catchable (6+ inches)
July 24, 1972 Rainbow Trout 3,000 Catchable (6+ inches)
August 3, 1971 Rainbow Trout 3,000 Catchable (6+ inches)
July 20, 1970 Rainbow Trout 3,000 Catchable (6+ inches)
July 9, 1969 Rainbow Trout 2,998 Catchable (6+ inches)
July 2, 1968 Rainbow Trout 3,020 Fingerling (3-6 inches)

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

Data source: Idaho Department of Fish and Game. Last updated: .