Stocked

FMZ 10 · Nairn · Sudbury District

Rock Lake

Rock Lake (FMZ 10) was last stocked in 2025 with 600 Brook Trout yearlings.

Records here go back to 1949: 55 stocking events in total.

In the sweet spot

Brook Trout stocked here in 2021–2023 should be a good size now. See other brook trout lakes in Zone 10 worth fishing.

Fish stocked per yearShaded years 2021–2023: those fish should be catchable size now
2016: 450 Brook Trout450201620172018: 500 Brook Trout5002018201920202021: 500 Brook Trout500202120222023: 500 Brook Trout50020232024: 450 Brook Trout45020242025: 600 Brook Trout60020252026
  • Brook Trout

By species

  • Brook TroutIn the sweet spot
    Last stocked
    2025
    Stocked 2021–2023
    1,000
    Last 10 yrs
    2,550

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

  • Rainbow TroutHistorical only
    Last stocked
    1974
    Stocked 2021–2023
    0
    Last 10 yrs
    0

    No stockings in the last ten years of data.

Stocking history

YearSpeciesStageFishNotes
2025Brook Troutyearlings600
2024Brook Troutyearlings450
2023Brook Troutyearlings500
2021Brook Troutyearlings500
2018Brook Troutyearlings500
2016Brook Troutyearlings450
Older records (49 stockings, 1949–2014)
DateSpeciesStageFishStrain / purpose
2014-05-12Brook Troutyearlings750L. Nipigon x Hills L. · Put-Grow-and Take
2012-04-30Brook Troutyearlings500L. Nipigon x Hills L. · Put-Grow-and Take
2010-05-03Brook Troutyearlings500L. Nipigon x Hills L. · Put-Grow-and Take
2006-05-04Brook Troutyearlings504L. Nipigon x Hills L. · Put-Grow-and Take
2004-05-04Brook Troutyearlings550L. Nipigon x Hills L. · Put-Grow-and Take
2002-05-16Brook Troutyearlings566L. Nipigon x Hills L. · Put-Grow-and Take
2000-05-05Brook Troutyearlings415L. Nipigon x Hills L. · Put-Grow-and Take
1999-05-10Brook Troutyearlings500L. Nipigon x Hills L. · Put-Grow-and Take
1998-05-15Brook Troutyearlings500Lake Nipigon (HLC) · Put-Grow-and Take
1997-05-21Brook Troutyearlings1,000L. Nipigon x Hills L. · Put-Grow-and Take
1995-05-08Brook Troutyearlings500Put-Grow-and Take
1994-05-13Brook Troutyearlings1,000Put-Grow-and Take
1993-05-12Brook Troutyearlings500Put-Grow-and Take
1992-05-09Brook Troutyearlings1,000Hills Lake · Put-Grow-and Take
1991-05-25Brook Troutyearlings200Put-Grow-and Take
1990-05-21Brook Troutyearlings1,000Put-Grow-and Take
1989-05-18Brook Troutyearlings500Put-Grow-and Take
1988-05-06Brook Troutyearlings1,500Put-Grow-and Take
1987-06-01Brook Troutyearlings1,000Put-Grow-and Take
1986-05-25Brook Troutyearlings1,000Put-Grow-and Take
1985-05-15Brook Troutyearlings1,000Put-Grow-and Take
1984-05-16Brook Troutyearlings1,500Put-Grow-and Take
1983-05-17Brook Troutyearlings1,500Put-Grow-and Take
1982-05-21Brook Troutyearlings1,001Put-Grow-and Take
1981-05-19Brook Troutyearlings500Put-Grow-and Take
1980-05-12Brook Troutyearlings500Put-Grow-and Take
1979-05-14Brook Troutyearlings1,000Put-Grow-and Take
1978-05-16Brook Troutyearlings1,000Put-Grow-and Take
1977-04-22Brook Troutyearlings1,500Put-Grow-and Take
1976-05-07Brook Troutyearlings1,000Put-Grow-and Take
1975-05-07Brook Troutyearlings2,000Put-Grow-and Take
1974-05-29Rainbow Troutyearlings2,000Put-Grow-and Take
1974-05-07Brook Troutyearlings3,000Put-Grow-and Take
1973-10-29Brook Troutyearlings2,000HL
1973-05-23Rainbow Troutyearlings2,000HL
1973-05-01Brook Troutyearlings3,000HL
1972-05-31Rainbow Troutyearlings2,000
1972-05-09Brook Troutyearlings3,000
1971-01-01Brook Troutyearlings4,000
1970-05-01Brook Troutyearlings6,000
1966-05-01Brook Troutyearlings3,000
1965-05-01Brook Troutyearlings5,000
1960-05-01Brook Troutyearlings4,000
1958-05-01Brook Troutyearlings5,000
1957-05-01Brook Troutyearlings9,000
1953-05-01Brook Troutyearlings5,000
1952-06-01Brook Troutyearlings1,500
1950-05-01Brook Troutyearlings2,000
1949-04-01Brook Troutyearlings3,000

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

Where it is

46.3205, -81.6692 · Open in OpenStreetMap