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Northern Manitoba

Lake Athapapuskow

About this lake

A Canadian Shield lake near Flin Flon made of three connected basins - Big Athapap, Little Athapap and the North Arm - with depths ranging from shallow flats to basins over 200 feet. It is a trophy multi-species fishery famous for lake trout, with three historical world records including a 62 lb laker. Walleye, northern pike, rainbow trout, splake and smallmouth bass round out the fishery.

Size: 267 km2 (Manitoba portion)

πŸ† Trophy catches

The biggest documented fish caught here, from the Manitoba Master Angler record book.

49.5β€³ Northern PikeReleased

John Wolters Β· July 04, 2007

125.7 cm

49.5β€³ Northern PikeReleased

Edward Smith Β· September 30, 2005

125.7 cm

49β€³ Lake TroutReleased

Wayne Lommel Β· June 11, 1992

124.5 cm

48β€³ Northern Pike

Robert Wegley Β· May 27, 1995

121.9 cm

47.5β€³ Lake TroutReleased

Leon Wiebe Β· June 06, 2011

120.7 cm

47.5β€³ Lake TroutReleased

Cheryl Wielenga Β· June 01, 2003

120.7 cm

Source: Manitoba Master Angler record book (anglers.travelmanitoba.com)

Where it is

πŸ“ Lake Athapapuskow Β· Northern

2026 Manitoba Anglers' Guide

Fishing regulations

Northwest Division (best match β€” confirm in the guide)

Heads up: this lake's division is our best match, not an official assignment. Double check it against the current Anglers' Guide before you fish.

No waterbody-specific rules listed β€” general Northwest Division limits apply.

Walleye (Pickerel) & Sauger (either or combined)

Limit
4
Size
None may exceed 55 cm
Season
Southern Division: closed April 6, 2026 to May 8, 2026; open May 9, 2026 to April 4, 2027. Northwest Division: closed May 1 to May 15, 2026; open May 16, 2026 to April 30, 2027. North Central Division: closed May 1 to May 15, 2026; open May 16, 2026 to April 30, 2027. Northeast Division: generally open all year (waterbody-specific closures apply). Lake Winnipeg: walleye/sauger closed April 6 to May 15, 2026.

Northern Pike (Jackfish)

Limit
4
Size
None may exceed 75 cm
Season
Open year-round (all divisions; waterbody-specific closures apply)

Lake Trout

Limit
1
Size
None may exceed 65 cm
Season
Southern Division: closed September 15 to October 31, 2026; open November 1, 2026 to September 14, 2027. New 2026 rule: Area A (eastern Manitoba) β€” all lake trout over 55 cm must be released. Northwest/North Central: generally open year-round per general limits (check waterbody-specific closures).

Smallmouth Bass

Limit
4
Size
None may exceed 45 cm
Season
Open year-round (all divisions; waterbody-specific closures apply)

Yellow Perch

Limit
25
Size
No size restriction (provincially)
Season
Open year-round (all divisions; waterbody-specific closures apply)

Source: 2026 Manitoba Anglers' Guide (gov.mb.ca/nrnd/fish-wildlife/pubs/fish_wildlife/fish/angling-guide.pdf), Waterbody Specific Regulations pp. 18-23. Summaries only β€” confirm in the official guide.

Stocking history

Lake TroutRainbow TroutSmallmouth BassSplake

May 28, 1968

Lake Trout Β· >1 year

10,000

Jun 19, 1967

Lake Trout Β· >1 year

3,000

Jun 25, 1959

Lake Trout Β· Fingerling

10,000

β€”

Splake Β· Fingerling

5,000

β€”

Splake Β· Fingerling

8,000

β€”

Splake Β· Fingerling

3,000

β€”

Splake Β· Fingerling

6,000

β€”

Rainbow Trout Β· >1 year

2,000

β€”

Lake Trout Β· Fingerling

36,000

β€”

Lake Trout Β· Fingerling

50,000

β€”

Smallmouth Bass Β· Adult (>30 cm)

21

β€”

Smallmouth Bass Β· Adult (>30 cm)

60

12 stocking events Β· Source: Manitoba Waterbody Stocking Records, Manitoba Wildlife and Fisheries Branch (open.canada.ca)