Waterbody recordES1

Belly- St. Mary Diversion Canal

Belly–St. Mary Diversion Canal is a diversion canal in southern Alberta southwest of Lethbridge near the town of Cardston; it carries irrigation flows between the Belly and St. Mary systems and offers limited shoreline angling access, with fishing conditions varying by season and flow. No waterbody-specific regulations for this waterbody. Refer to default regulations for this subarea ES1.

LakeWU ES149.32431, -113.48376
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Regulations

No waterbody-specific regulations.

Default regulations
Default regulationsLake waterbodies
10 rulesView details
Season
OPEN all year
Bait
Bait except Bait Fish allowed
Bull Trout
0 — Catch & Release
Arctic Grayling
0 — Catch & Release
Trout
5
Mountain Whitefish
5 over 30 cm
Walleye
3 over 50 cm
Pike
3
Perch
15
Lake Whitefish
10
Burbot
10
Last updated: Apr 24, 2026
Stocking history

No stocking events returned.

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Belly- St. Mary Diversion Canal Fishing Regulations | ES1 Alberta | fishr