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Best brown trout lakes in Alberta

15 Alberta waters hold brown trout, 14 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Wary, nocturnal-leaning predator. Shorelines and inflows in cold months; the thermocline in summer.

1. Gleniffer Lake — 108 ft max · Walleye, Northern Pike, Rainbow Trout, Brown Trout
2. Cow Lake — 7 ft max · survey depth data · Northern Pike, Rainbow Trout, Yellow Perch, Brown Trout
3. Glenmore Reservoir — 55 ft max · survey depth data · Northern Pike, Rainbow Trout, Yellow Perch, Brown Trout
4. Obed Lake — 31 ft max · survey depth data · Rainbow Trout, Yellow Perch, Brown Trout, Brook Trout
5. Blood Indian Creek Reservoir — 40 ft max · survey depth data · Walleye, Rainbow Trout, Brown Trout, Brook Trout
6. Swan Lake — 40 ft max · survey depth data · Northern Pike, Rainbow Trout, Lake Trout, Brown Trout
7. Spring Lake — 30 ft max · survey depth data · Rainbow Trout, Yellow Perch, Brown Trout, Brook Trout
8. Lee Lake — 45 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout, Cutthroat Trout
9. Muir Lake — 18 ft max · survey depth data · Northern Pike, Rainbow Trout, Yellow Perch, Brown Trout
10. Millers Lake — 20 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout, Arctic Grayling
11. Mary Gregg Lake — 54 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout
12. Star Lake — 20 ft max · survey depth data · Rainbow Trout, Yellow Perch, Brown Trout
13. Gap Lake — 8 ft max · survey depth data · Rainbow Trout, Lake Trout, Brown Trout, Brook Trout
14. Goldeye Lake — 43 ft max · survey depth data · Rainbow Trout, Brown Trout, Cutthroat Trout
15. Mitchell Lake — 20 ft max · survey depth data · Rainbow Trout, Yellow Perch, Brown Trout, Brook Trout

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When to fish brown trout in Alberta

• Spring 3–25 ft — Cold-water browns hug shorelines, river mouths and mud lines — often in a few feet of water early and late.
• Summer 25–60 ft — Browns sit at the thermocline by day and slide shallow after dark — the night troll takes the giants.
• Fall 5–30 ft — Spawn-run browns stage off tributaries and gravel shorelines, aggressive and territorial.
• Winter 5–35 ft — Browns feed all winter — nearshore when bait is in, deeper breaks otherwise.

Also in Alberta: best walleye lakes · best northern pike lakes · best rainbow trout lakes · best yellow perch lakes · best lake trout lakes · best brook trout lakes · best lake whitefish lakes · best burbot lakes · best arctic grayling lakes · best cutthroat trout lakes · best cisco (lake herring) lakes

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