lake in Alberta, CAN
A large irrigation reservoir south of Lethbridge, St. Mary Reservoir is a windswept prairie fishery producing big northern pike and walleye, plus yellow perch and lake whitefish. Located in Alberta's Parkland-Prairie – PP1 (Milk & South Saskatchewan) fish management zone.
St. Mary Reservoir is a lake in Alberta, CAN, and a popular destination for anglers exploring the region. This guide brings together the fish species you can target, the regulations that apply, and the campsites nearby so you can plan a complete fishing trip.
Anglers fishing St. Mary Reservoir can target species including Lake Whitefish, Northern Pike, Walleye, and Yellow Perch. Explore the linked species guides below to learn their habits, average sizes, and the tackle that works best on St. Mary Reservoir.
Make sure you're fishing legally at St. Mary Reservoir. A fishing license is required across most of CAN, and daily limits, size limits, and open seasons can change from year to year. When FishFinder has matching records, use the regulations link below to review the rules hub before you cast a line.
Explore the species guides for fish recorded at St. Mary Reservoir:
Check FishFinder's regulation records for rules that apply at St. Mary Reservoir:
Anglers at St. Mary Reservoir can target species including Lake Whitefish, Northern Pike, Walleye, and Yellow Perch. Explore each species on this page to learn its habits, average size, and the tackle that works best.
Yes — a fishing license is required across most of CAN. Daily limits, size limits, and open seasons can change year to year, so review the regulations on file for St. Mary Reservoir before you cast a line.
St. Mary Reservoir is a lake in Alberta, CAN, and a popular destination for anglers exploring the region.