About this lake
A remote backcountry walleye lake in Duck Mountain Provincial Park off PR 366, stocked with walleye by Swan Valley Sport Fishing. Access is by ATV trail or snowmobile; check trail conditions with the Blue Lakes park office before heading in.
Where it is
π Mossberry Lake Β· Parkland
2026 Manitoba Anglers' Guide
Fishing regulations
Parkland Division (best match β confirm in the guide)
Stocked water β general Parkland 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 24, 2020
Walleye Β· Fry
200,000
May 28, 2019
Walleye Β· Fry
300,000
May 22, 2001
Walleye Β· Fry
200,000
May 30, 1997
Walleye Β· Fry
200,000
Jun 2, 1996
Walleye Β· Fry
100,000
May 25, 1995
Walleye Β· Fry
150,000
May 24, 1994
Walleye Β· Fry
150,000
May 12, 1993
Walleye Β· Fry
150,000
May 13, 1980
Walleye Β· Fry
200,000
β
Walleye Β· Fry
50,000
β
Walleye Β· Fry
100,000
β
Walleye Β· Fry
100,000
12 stocking events Β· Source: Manitoba Waterbody Stocking Records, Manitoba Wildlife and Fisheries Branch (open.canada.ca)