Stocked

FMZ 10 · Onaping · Sudbury District

Onaping Lake

Onaping Lake (FMZ 10) was last stocked in 2024 with 3,504 Lake Trout yearlings and 593 Lake Trout adults.

Records here go back to 1947: 64 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 10 worth fishing.

Fish stocked per yearShaded years 2021–2023: those fish should be catchable size now
20162017: 3,200 Lake Trout3.2k20172018: 4,500 Lake Trout2018: 10,000 Walleye15k20182019: 5,077 Lake Trout5.1k20192020: 5,495 Lake Trout5.5k202020212022: 4,349 Lake Trout4.3k20222023: 560 Lake Trout56020232024: 4,097 Lake Trout4.1k202420252026
  • Lake Trout
  • Walleye

By species

  • Lake TroutIn the sweet spot
    Last stocked
    2024
    Stocked 2021–2023
    4,909
    Last 10 yrs
    27,278

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

  • WalleyeAging out
    Last stocked
    2018
    Stocked 2021–2023
    0
    Last 10 yrs
    10,000

    Last major stocking was more than five years ago. Some fish may remain.

  • Rainbow TroutHistorical only
    Last stocked
    2009
    Stocked 2021–2023
    0
    Last 10 yrs
    0

    No stockings in the last ten years of data.

  • Brook TroutHistorical only
    Last stocked
    1992
    Stocked 2021–2023
    0
    Last 10 yrs
    0

    No stockings in the last ten years of data.

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

    No stockings in the last ten years of data.

  • Smallmouth BassHistorical only
    Last stocked
    1964
    Stocked 2021–2023
    0
    Last 10 yrs
    0

    No stockings in the last ten years of data.

Stocking history

YearSpeciesStageFishNotes
2024Lake Troutyearlings3,504
2024Lake Troutadults593
2023Lake Troutyearlings560
2022Lake Troutyearlings4,349
2020Lake Troutyearlings5,495
2019Lake Troutyearlings5,077
2018Walleyefry10,000
2018Lake Troutyearlings4,500
2017Lake Troutyearlings3,200
Older records (55 stockings, 1947–2014)
DateSpeciesStageFishStrain / purpose
2014-10-24Lake Troutadults74Killala Lake (HLC) · Rehabilitation
2014-06-10Lake Troutyearlings3,949Killala Lake (HLC) · Rehabilitation
2014-06-06Lake Troutyearlings6,584Lake Manitou (Wild) · Rehabilitation
2013-06-20Lake Troutyearlings2,312Killala Lake (HLC) · Rehabilitation
2013-05-13Lake Troutyearlings3,000Lake Manitou (Wild) · Rehabilitation
2012-06-28Lake Troutfingerlings16,023Iroquois Bay (TTC) · Rehabilitation
2010-11-03Lake Troutadults127Seneca Lake (HWC) · Rehabilitation
2010-07-15Walleyefingerlings500Wild Egg Collection · Rehabilitation
2009-06-09Lake Troutyearlings3,189Killala Lake (HLC) · Rehabilitation
2009-06-02Lake Troutfingerlings23,933Big Sound (CWC) · Rehabilitation
2009-05-19Rainbow Troutyearlings4,283Ganaraska River (Wild) · Put-Grow-and Take
2008-05-22Lake Troutyearlings6,300Lake Manitou (Wild) · Rehabilitation
2007-10-16Lake Troutyearlings25,935Lake Manitou (Wild) · Rehabilitation
2006-07-12Walleyefry27,069Lake Manitou (Wild) · Rehabilitation
2005-11-07Lake Troutadults92Iroquois Bay (TTC) · Rehabilitation
2005-10-31Lake Troutyearlings16,806Lake Manitou (Wild) · Rehabilitation
2005-10-31Lake Troutyearlings7,657Lake Manitou (Wild) · Rehabilitation
2005-10-31Lake Troutsub-adults1,372Lake Manitou (Wild) · Rehabilitation
2005-10-31Lake Troutadults140Iroquois Bay (TTC) · Rehabilitation
2005-10-28Lake Troutsub-adults6,499Lake Manitou (Wild) · Rehabilitation
2005-10-28Lake Troutsub-adults2,058Lake Manitou (Wild) · Rehabilitation
2005-06-23Walleyefingerlings4,000Wild Egg Collection · Rehabilitation
2004-10-29Lake Troutfingerlings39,266Lake Manitou (Wild) · Rehabilitation
2004-10-29Lake Troutyearlings24,131Iroquois Bay (TTC) · Rehabilitation
2003-07-04Walleyefry8,421Wild Egg Collection · Rehabilitation
2003-06-27Walleyefingerlings20,216Wild Egg Collection · Rehabilitation
2003-06-03Lake Troutfingerlings22,637Iroquois Bay (TTC) · Rehabilitation
2002-06-12Lake Troutfingerlings43,951Iroquois Bay (TTC) · Rehabilitation
2002-05-30Lake Troutyearlings4,041Lake Manitou (Wild) · Rehabilitation
1993-03-24Lake Troutyearlings20,000Lake Manitou (Wild) · Rehabilitation
1992-05-20Lake Troutyearlings10,000Killala Lake (HLC) · Put-Grow-and Take
1992-05-14Brook Troutyearlings500Lake Nipigon (HLC) · Put-Grow-and Take
1991-03-27Lake Troutyearlings10,000Rehabilitation
1990-06-02Lake Troutyearlings11,214Rehabilitation
1974-05-30Muskellungefry60,000
1969-06-01Muskellungefry20,000
1968-05-01Muskellungefry20,000
1964-06-01Smallmouth Bassfry6,000
1964-05-01Walleyeeggs241,000
1963-08-01Smallmouth Bassfingerlings4,000
1960-08-01Smallmouth Bassfingerlings1,500
1958-05-01Lake Troutyearlings2,500
1957-05-01Walleyeeggs325,000
1955-07-01Smallmouth Bassfingerlings4,000
1954-05-01Walleyeeggs200,000
1954-05-01Lake Troutfingerlings2,000
1953-06-01Walleyeeggs150,000
1953-06-01Lake Troutfingerlings10,000
1952-06-01Lake Troutfingerlings5,000
1951-05-01Walleyeeggs300,000
1951-05-01Lake Troutfingerlings5,000
1950-07-01Lake Troutfingerlings500
1949-05-01Walleyeeggs200,000
1947-07-01Smallmouth Bassfry10,000
1947-07-01Lake Troutfingerlings5,000

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

Where it is

47.1389, -81.5208 · Open in OpenStreetMap