StockerTroutFishing

Montana

Ackley Lake - stocking report

Ackley Lake was last stocked on May 20, 2026: 10,300 Rainbow Trout (2.84 in avg).

Species on record
Rainbow Trout, Brown Trout, Tiger Muskie (Northern X Muskie), Kokanee, Yellowstone Cutthroat Trout, Brook Trout, Cutthroat Trout, Coho Salmon
Records
255 stocking events
Official source
Montana Fish, Wildlife & Parks report

Full stocking history

DateSpeciesFishSize
May 20, 2026 Rainbow Trout 10,300 2.84 in avg
May 20, 2026 Rainbow Trout 14,670 4.18 in avg
May 13, 2025 Rainbow Trout 15,346 4.33 in avg
May 13, 2025 Rainbow Trout 10,017 3.0100000000000002 in avg
November 19, 2024 Rainbow Trout 4,683 2.34 in avg
July 10, 2024 Rainbow Trout 1,317 8.09 in avg
May 14, 2024 Rainbow Trout 10,180 2.81 in avg
May 14, 2024 Rainbow Trout 15,036 4.29 in avg
May 14, 2024 Brown Trout 2,518 3.47 in avg
July 14, 2023 Tiger Muskie (Northern X Muskie) 200 10.86 in avg
May 22, 2023 Rainbow Trout 14,839 4.38 in avg
May 22, 2023 Rainbow Trout 10,000 3.33 in avg
June 30, 2022 Rainbow Trout 298 6.3100000000000005 in avg
May 23, 2022 Rainbow Trout 9,570 3.41 in avg
May 19, 2022 Rainbow Trout 34,744 3.77 in avg
June 21, 2021 Rainbow Trout 4,976 5.2700000000000005 in avg
May 10, 2021 Rainbow Trout 35,038 4.28 in avg
May 10, 2021 Rainbow Trout 22,070 2.85 in avg
May 11, 2020 Rainbow Trout 20,036 2.77 in avg
May 11, 2020 Rainbow Trout 36,810 3.86 in avg
June 26, 2019 Rainbow Trout 1,455 9.51 in avg
May 21, 2019 Rainbow Trout 23,869 3.1 in avg
May 2, 2019 Rainbow Trout 35,021 3.8000000000000003 in avg
September 20, 2018 Rainbow Trout 11,238 5.47 in avg
July 2, 2018 Rainbow Trout 3,700 4.88 in avg
May 24, 2018 Rainbow Trout 15,030 3 in avg
May 14, 2018 Rainbow Trout 20,004 4.0600000000000005 in avg
September 20, 2017 Rainbow Trout 16,943 5.01 in avg
June 6, 2017 Rainbow Trout 15,307 4.44 in avg
May 16, 2017 Rainbow Trout 11,735 3.08 in avg
May 16, 2017 Rainbow Trout 3,296 3.12 in avg
April 27, 2017 Rainbow Trout 15,044 4.82 in avg
September 22, 2016 Rainbow Trout 15,359 4.73 in avg
May 16, 2016 Rainbow Trout 15,015 3.0100000000000002 in avg
May 2, 2016 Rainbow Trout 15,014 3.8000000000000003 in avg
September 22, 2015 Rainbow Trout 10,096 4.88 in avg
July 15, 2015 Tiger Muskie (Northern X Muskie) 1,000 4 in avg
May 28, 2015 Tiger Muskie (Northern X Muskie) 3,000 1.25 in avg
May 20, 2015 Rainbow Trout 30,014 3.02 in avg
May 20, 2015 Rainbow Trout 3,657 5.58 in avg
May 20, 2015 Rainbow Trout 11,366 4.11 in avg
May 20, 2015 Brown Trout 2,503 3.85 in avg
June 5, 2014 Rainbow Trout 7,914 4.24 in avg
June 5, 2014 Rainbow Trout 7,113 4.25 in avg
May 27, 2014 Rainbow Trout 30,163 3.06 in avg
May 22, 2013 Rainbow Trout 30,064 2.88 in avg
May 22, 2013 Rainbow Trout 10,098 4.24 in avg
May 23, 2012 Rainbow Trout 30,000 2.8000000000000003 in avg
April 11, 2012 Rainbow Trout 10,018 3.22 in avg
June 3, 2011 Rainbow Trout 12,426 2.9 in avg
June 3, 2011 Rainbow Trout 17,574 2.8000000000000003 in avg
May 9, 2011 Rainbow Trout 10,002 4.0600000000000005 in avg
May 25, 2010 Rainbow Trout 30,000 2.7 in avg
May 10, 2010 Rainbow Trout 10,074 3.73 in avg
June 30, 2009 Rainbow Trout 11,000 4 in avg
June 26, 2009 Rainbow Trout 19,086 3 in avg
May 12, 2009 Rainbow Trout 9,966 4 in avg
May 12, 2008 Rainbow Trout 39,385 4.32 in avg
May 29, 2007 Rainbow Trout 30,272 2.96 in avg
May 24, 2007 Rainbow Trout 10,260 4.04 in avg
May 23, 2006 Rainbow Trout 10,692 3.83 in avg
May 23, 2006 Rainbow Trout 32,825 2.67 in avg
June 13, 2005 Rainbow Trout 31,600 3.16 in avg
May 9, 2005 Rainbow Trout 10,455 3.2600000000000002 in avg
June 21, 2004 Rainbow Trout 10,000 4.2 in avg
June 8, 2004 Rainbow Trout 29,988 4.19 in avg
September 15, 2003 Rainbow Trout 29,928 4.17 in avg
May 29, 2003 Rainbow Trout 9,940 3.69 in avg
June 4, 2002 Rainbow Trout 5,000 5.1000000000000005 in avg
May 31, 2002 Rainbow Trout 30,450 2.9 in avg
May 31, 2002 Rainbow Trout 5,075 4.2 in avg
June 11, 2001 Rainbow Trout 30,467 3.1 in avg
May 9, 2001 Rainbow Trout 10,000 3.9 in avg
May 20, 2000 Rainbow Trout 30,345 2.8000000000000003 in avg
May 3, 2000 Rainbow Trout 10,500 3.9 in avg
June 8, 1999 Rainbow Trout 30,730 3 in avg
May 3, 1999 Rainbow Trout 10,035 4.3 in avg
September 1, 1998 Rainbow Trout 4,000 6.7 in avg
June 5, 1998 Rainbow Trout 2,528 3.2 in avg
May 21, 1998 Rainbow Trout 31,050 3.1 in avg
May 14, 1998 Rainbow Trout 10,000 3.9 in avg
May 27, 1997 Rainbow Trout 31,450 3.1 in avg
May 21, 1997 Rainbow Trout 10,434 3.8000000000000003 in avg
May 23, 1996 Rainbow Trout 7,973 3 in avg
May 23, 1996 Rainbow Trout 12,050 2.5 in avg
May 22, 1996 Rainbow Trout 9,000 4.5 in avg
May 13, 1996 Rainbow Trout 7,176 4.5 in avg
July 26, 1995 Rainbow Trout 10,000 5 in avg
May 30, 1995 Rainbow Trout 20,325 3.6 in avg
May 17, 1995 Rainbow Trout 10,291 4 in avg
May 12, 1995 Rainbow Trout 10,020 4.1 in avg
June 1, 1994 Rainbow Trout 20,000 3.1 in avg
May 12, 1994 Rainbow Trout 22,100 4.5 in avg
June 10, 1993 Rainbow Trout 20,008 3.2 in avg
May 24, 1993 Rainbow Trout 10,000 4.1 in avg
May 21, 1993 Rainbow Trout 10,000 5.4 in avg
May 28, 1992 Rainbow Trout 22,515 3.7 in avg
May 18, 1992 Rainbow Trout 21,000 4 in avg
June 10, 1991 Rainbow Trout 21,488 3.5 in avg
May 28, 1991 Rainbow Trout 22,181 4 in avg
July 13, 1990 Rainbow Trout 20,026 3.4 in avg
May 25, 1990 Rainbow Trout 9,625 4.1 in avg
May 25, 1990 Rainbow Trout 10,432 5.2 in avg
June 27, 1989 Rainbow Trout 20,032 3.4 in avg
May 18, 1989 Rainbow Trout 20,093 5.1000000000000005 in avg
July 1, 1988 Rainbow Trout 20,280 3.5 in avg
May 16, 1988 Rainbow Trout 21,780 5 in avg
July 1, 1987 Rainbow Trout 20,002 3.5 in avg
April 14, 1987 Rainbow Trout 20,030 3.9 in avg
July 24, 1986 Rainbow Trout 1,003 9 in avg
July 24, 1986 Rainbow Trout 20,000 3 in avg
April 21, 1986 Rainbow Trout 20,403 4 in avg
June 20, 1985 Rainbow Trout 30,156 5 in avg
July 5, 1984 Rainbow Trout 20,400 4 in avg
June 6, 1983 Kokanee 27,944 2 in avg
May 19, 1983 Rainbow Trout 10,080 4 in avg
August 17, 1982 Rainbow Trout 2,500 9 in avg
May 4, 1982 Kokanee 33,320 2 in avg
April 23, 1982 Rainbow Trout 10,016 4 in avg
June 10, 1981 Rainbow Trout 20,349 5 in avg
June 1, 1981 Kokanee 38,870 2 in avg
May 15, 1980 Kokanee 46,740 2 in avg
April 25, 1980 Rainbow Trout 20,420 4 in avg
May 8, 1979 Kokanee 50,000 1 in avg
May 2, 1979 Rainbow Trout 4,232 5 in avg
May 1, 1979 Rainbow Trout 30,028 5 in avg
May 1, 1979 Rainbow Trout 5,906 5 in avg
August 17, 1978 Rainbow Trout 3,468 8 in avg
June 28, 1978 Rainbow Trout 25,525 6 in avg
May 3, 1978 Kokanee 100,000 1 in avg
April 4, 1978 Rainbow Trout 40,392 4 in avg
March 17, 1977 Rainbow Trout 37,842 5 in avg
March 17, 1977 Rainbow Trout 37,842 5 in avg
June 18, 1976 Rainbow Trout 18,750 5 in avg
March 22, 1976 Rainbow Trout 39,436 4 in avg
March 19, 1976 Rainbow Trout 39,710 4 in avg
April 24, 1975 Rainbow Trout 22,425 5 in avg
April 23, 1975 Rainbow Trout 31,050 5 in avg
April 23, 1975 Rainbow Trout 23,920 5 in avg
August 5, 1974 Rainbow Trout 4,284 10 in avg
August 5, 1974 Rainbow Trout 3,916 10 in avg
August 5, 1974 Rainbow Trout 3,916 10 in avg
June 3, 1974 Rainbow Trout 6,961 6 in avg
June 3, 1974 Rainbow Trout 16,706 6 in avg
May 30, 1974 Rainbow Trout 16,707 6 in avg
May 30, 1974 Rainbow Trout 12,806 6 in avg
May 30, 1974 Rainbow Trout 4,176 6 in avg
May 7, 1974 Rainbow Trout 13,464 6 in avg
May 3, 1974 Rainbow Trout 25,046 6 in avg
April 3, 1973 Kokanee 50,000 1 in avg
April 3, 1973 Rainbow Trout 46,800 4 in avg
March 20, 1973 Rainbow Trout 27,140 5 in avg
April 13, 1972 Kokanee 40,540 2 in avg
March 17, 1972 Rainbow Trout 62,211 3 in avg
October 31, 1971 Yellowstone Cutthroat Trout 3,244 6 in avg
May 5, 1971 Kokanee 34,170 2 in avg
March 29, 1971 Rainbow Trout 25,000 4 in avg
March 26, 1971 Rainbow Trout 30,216 4 in avg
May 16, 1970 Kokanee 51,000 1 in avg
April 10, 1970 Rainbow Trout 60,200 4 in avg
May 16, 1969 Kokanee 56,600
April 9, 1969 Rainbow Trout 65,120 4 in avg
April 19, 1968 Kokanee 50,868
March 7, 1968 Rainbow Trout 74,664 2 in avg
August 14, 1967 Rainbow Trout 1,994 10 in avg
August 10, 1967 Rainbow Trout 25,500 4 in avg
August 9, 1967 Rainbow Trout 2,790 9 in avg
August 8, 1967 Rainbow Trout 2,790 9 in avg
August 7, 1967 Rainbow Trout 2,070 10 in avg
August 6, 1967 Rainbow Trout 4,040 9 in avg
August 4, 1967 Rainbow Trout 2,070 10 in avg
August 3, 1967 Rainbow Trout 2,880 10 in avg
August 2, 1967 Rainbow Trout 3,060 10 in avg
August 2, 1967 Rainbow Trout 4,800 9 in avg
July 20, 1967 Rainbow Trout 4,800 9 in avg
July 20, 1967 Rainbow Trout 3,360 9 in avg
July 20, 1967 Rainbow Trout 4,896 9 in avg
July 20, 1967 Rainbow Trout 2,937 9 in avg
May 10, 1967 Kokanee 51,264
May 2, 1967 Rainbow Trout 8,510 4 in avg
April 28, 1967 Rainbow Trout 30,098 4 in avg
April 28, 1967 Rainbow Trout 37,340 4 in avg
April 26, 1963 Rainbow Trout 12,480 4 in avg
July 16, 1962 Rainbow Trout 12,705 4 in avg
May 18, 1962 Rainbow Trout 12,500 4 in avg
June 19, 1961 Rainbow Trout 12,500 5 in avg
March 27, 1961 Rainbow Trout 12,470 2 in avg
May 27, 1960 Rainbow Trout 24,984 4 in avg
April 6, 1960 Rainbow Trout 330
September 8, 1959 Brook Trout 21,091 5 in avg
September 3, 1959 Brook Trout 22,008 5 in avg
April 13, 1959 Rainbow Trout 90,048 3 in avg
June 26, 1957 Kokanee 50,000
September 14, 1956 Rainbow Trout 2,275 6 in avg
August 23, 1956 Rainbow Trout 1,495 6 in avg
August 15, 1956 Rainbow Trout 1,200 6 in avg
August 9, 1956 Rainbow Trout 2,607 6 in avg
July 26, 1956 Rainbow Trout 1,185 6 in avg
June 14, 1956 Kokanee 59,904
March 29, 1956 Rainbow Trout 6,134 4 in avg
March 26, 1956 Rainbow Trout 5,100 4 in avg
September 20, 1955 Rainbow Trout 1,680
July 14, 1955 Kokanee 50,688
July 13, 1955 Rainbow Trout 45,696 1 in avg
July 13, 1955 Rainbow Trout 45,696 1 in avg
April 20, 1955 Rainbow Trout 3,240 5 in avg
April 20, 1955 Rainbow Trout 3,240 5 in avg
September 10, 1954 Rainbow Trout 28,800 2 in avg
July 22, 1954 Rainbow Trout 1,680
July 16, 1954 Rainbow Trout 1,440
June 5, 1954 Rainbow Trout 1,260
May 21, 1954 Rainbow Trout 900
September 17, 1953 Rainbow Trout 5,250 2 in avg
May 5, 1953 Rainbow Trout 1,080
July 15, 1952 Kokanee 4,000 3 in avg
June 10, 1952 Kokanee 4,000 3 in avg
June 9, 1952 Rainbow Trout 4,000 4 in avg
June 3, 1952 Rainbow Trout 7,000 3 in avg
May 16, 1952 Kokanee 5,430 3 in avg
May 16, 1952 Rainbow Trout 10,860 3 in avg
April 18, 1952 Kokanee 39,280 2 in avg
October 3, 1951 Rainbow Trout 700 7 in avg
July 5, 1951 Rainbow Trout 5,400 6 in avg
May 12, 1951 Rainbow Trout 1,400 6 in avg
July 9, 1950 Kokanee 1,800 4 in avg
July 9, 1950 Rainbow Trout 1,200 5 in avg
June 20, 1950 Rainbow Trout 1,120 7 in avg
June 15, 1950 Rainbow Trout 1,800 7 in avg
May 21, 1950 Rainbow Trout 2,250 6 in avg
September 23, 1949 Rainbow Trout 2,240 6 in avg
June 22, 1949 Cutthroat Trout 2,700 5 in avg
April 26, 1949 Rainbow Trout 7,920 5 in avg
September 13, 1948 Rainbow Trout 15,280 2 in avg
August 30, 1948 Rainbow Trout 1,800 4 in avg
August 14, 1947 Cutthroat Trout 20,000
May 15, 1947 Rainbow Trout 3,300 5 in avg
September 12, 1946 Rainbow Trout 19,100 2 in avg
April 16, 1946 Rainbow Trout 2,100 5 in avg
May 10, 1945 Rainbow Trout 2,500 6 in avg
April 26, 1944 Rainbow Trout 4,000 7 in avg
August 19, 1943 Cutthroat Trout 30,000
June 7, 1943 Rainbow Trout 8,000 5 in avg
May 19, 1942 Rainbow Trout 3,000 6 in avg
April 17, 1942 Rainbow Trout 3,000 6 in avg
September 29, 1941 Rainbow Trout 4,000 5 in avg
May 23, 1941 Rainbow Trout 6,000 4 in avg
October 15, 1940 Rainbow Trout 20,000 3 in avg
October 15, 1940 Rainbow Trout 20,000 3 in avg
April 17, 1940 Rainbow Trout 5,000 4 in avg
April 17, 1940 Rainbow Trout 5,000 4 in avg
August 19, 1939 Cutthroat Trout 20,000
May 13, 1939 Rainbow Trout 18,000 2 in avg
June 6, 1938 Rainbow Trout 10,000 3 in avg
May 24, 1933 Coho Salmon 12,500 4 in avg
May 21, 1932 Coho Salmon 15,425 2 in avg

Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Data source: Montana Fish, Wildlife & Parks. Last updated: .