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PP1: St. Mary River - Alberta Fishing

StreamSubarea: PP149.49493, -112.98585
Overview

St. Mary River (mainstem upstream of St. Mary Reservoir; includes tributaries except Lee Creek) is a south Alberta stream near Cardston popular for trout and northern pike fishing. Regulations: June 16–Aug 31 — bait ban; daily limit 2 trout, rainbow and cutthroat minimum 35 cm, mountain whitefish up to 5 fish (minimum 30 cm), northern pike limit 3; Sept 1–Oct 31 — bait ban; no trout retention (0 trout), northern pike limit 3.

Regulations

Mainstem upstream of St Mary Reservoir; Includes tributaries except Lee Creek — OPEN JUNE 16 TO AUG. 31 • 2 troutTap to expand
Detail
Mainstem upstream of St Mary Reservoir; Includes tributaries except Lee Creek
Season
OPEN JUNE 16 TO AUG. 31
Bait allowed
Bait ban
Total trout
2 trout
Mountain whitefish
5 over 30 cm
Northern pike
3 fish
Last update
Sep 16, 2025
Rainbow trout
over 35 cm
Cutthroat trout
over 35 cm
Mainstem upstream of St Mary Reservoir; Includes tributaries except Lee Creek — OPEN SEPT. 1 TO OCT. 31 • 0 troutTap to expand
Detail
Mainstem upstream of St Mary Reservoir; Includes tributaries except Lee Creek
Season
OPEN SEPT. 1 TO OCT. 31
Bait allowed
Bait ban
Total trout
0 trout
Northern pike
3 fish
Last update
Sep 16, 2025

Stocking history

No stocking events returned.

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