About this lake
A stocked walleye lake west of Riding Mountain, near the Keeseekoowenin area. Manitoba Fisheries stocked it with walleye.
Where it is
π Groszok Lake Β· Western
2026 Manitoba Anglers' Guide
Fishing regulations
Western Division (best match β confirm in the guide)
Stocked water β general Western Division limits apply; check the current Manitoba Anglers' Guide.
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.
Source: 2026 Manitoba Anglers' Guide (gov.mb.ca). Summaries only β confirm in the official guide.
Stocking history
May 21, 2015
Walleye Β· Fry
200,000
May 25, 2008
Walleye Β· Fry
200,000
Jun 5, 1996
Walleye Β· Fry
50,000
May 12, 1980
Walleye Β· Fry
100,000
β
Walleye Β· >1 year
1,370
β
Brook Trout Β· >1 year
1,370
β
Brook Trout Β· Fingerling
5,000
β
Rainbow Trout Β· Fingerling
20,000
β
Brook Trout Β· Fingerling
8,000
9 stocking events Β· Source: Manitoba Waterbody Stocking Records, Manitoba Wildlife and Fisheries Branch (open.canada.ca)