Stocked

FMZ 18 · Grimsthorpe · Bancroft District

Grimsthorpe Lake

Grimsthorpe Lake (FMZ 18) was last stocked in 2025 with 705 Lake Trout yearlings.

Records here go back to 1984: 17 stocking events in total.

In the sweet spot

Lake Trout stocked here in 2021–2023 should be a good size now. See other lake trout lakes in Zone 18 worth fishing.

Fish stocked per yearShaded years 2021–2023: those fish should be catchable size now
20162017: 750 Lake Trout750201720182019: 750 Lake Trout750201920202021: 750 Lake Trout750202120222023: 750 Lake Trout750202320242025: 705 Lake Trout70520252026
  • Lake Trout

By species

  • Lake TroutIn the sweet spot
    Last stocked
    2025
    Stocked 2021–2023
    1,500
    Last 10 yrs
    3,705

    Significant stockings 3–5 years ago. Those fish should be a good size now.

Stocking history

YearSpeciesStageFishNotes
2025Lake Troutyearlings705
2023Lake Troutyearlings750
2021Lake Troutyearlings750
2019Lake Troutyearlings750
2017Lake Troutyearlings750
Older records (12 stockings, 1984–2015)
DateSpeciesStageFishStrain / purpose
2015-05-06Lake Troutyearlings750Lake Manitou (Wild) · Put-Grow-and Take
2013-05-08Lake Troutyearlings1,200Lake Manitou (Wild) · Put-Grow-and Take
1994-05-04Lake Troutyearlings1,000Killala Lake (Wild) · Supplemental
1993-05-06Lake Troutyearlings1,000Supplemental
1992-05-04Lake Troutyearlings1,000Supplemental
1991-05-02Lake Troutyearlings1,000Rehabilitation/Supplemental
1990-05-02Lake Troutyearlings3,000Rehabilitation/Supplemental
1989-05-03Lake Troutyearlings1,000Rehabilitation/Supplemental
1988-05-06Lake Troutyearlings2,000Rehabilitation/Supplemental
1987-05-04Lake Troutyearlings2,000Rehabilitation/Supplemental
1985-05-03Lake Troutyearlings2,000Rehabilitation/Supplemental
1984-05-06Lake Troutyearlings3,000Supplemental

Recent records (2016 on) are year-only; MNRF does not publish stocking dates. Historical records (to 2015) include dates and strain.

Where it is

44.8740, -77.3949 · Open in OpenStreetMap