
Check which species have trophy potential in Lower Saint Mary Lake
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13 in · 10 lb
20 in · 14 lb


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Lower Saint Mary Lake is a lake located in Glacier County, Montana, United States. It is most popular for fishing Lake char, Northern pike, and Lake whitefish.
Learn what time of year and day to go fishing at Lower Saint Mary Lake. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Montana can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Lake char as of April 23rd, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Salvelinus namaycush
5.1 miles away
34.0 miles away
37.1 miles away
38.4 miles away
39.8 miles away
46.2 miles away
49.9 miles away
51.7 miles away
55.4 miles away
57.6 miles away
58.0 miles away
60.3 miles away
62.3 miles away
62.5 miles away
66.9 miles away
67.3 miles away
67.5 miles away
68.3 miles away
71.2 miles away
75.0 miles away
75.8 miles away
76.1 miles away
78.1 miles away
82.5 miles away
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