AB Fish Report
All Lakes

Cow Lake Fish Stocking Report 2026 – Latest Updates

Cow Lake was last stocked on May 7, 2026 with 16,000 Trout Lodge/Kamloops AF3N Rainbow Trout.

Southern AlbertaZone ES2Special Waters

Cow Lake is an Alberta lake with published AGS bathymetry. Maximum mapped depth is approximately 2 m (Alberta Geological Survey bathymetry). Anglers commonly encounter Brown Trout, Rainbow Trout (stocking records and regional fisheries). Verify species and limits at albertaregulations.ca.

Brown Trout
Brown Trout
Rainbow Trout
Rainbow Trout

Max depth

2.1 m

Surface elevation

1031 m

Depth Map

Loading bathymetry map…

Cow Lake Stocking Schedule 2026 — History (2023–2026)

Stocked in provincial reports: Brown Trout, Rainbow Trout

19 stocking events

Rainbow Trout
Rainbow Trout

Trout Lodge/Kamloops AF3N

16,000 fishMay 7, 20262026 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

4,557 fishMay 2, 20252025 report
Brown Trout
Brown Trout

Bow River 3N

5,000 fishMay 2, 20252025 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

5,411 fishMay 1, 20252025 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

15,332 fishMay 1, 20252025 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

4,032 fishMay 1, 20252025 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

7,110 fishSep 26, 20242024 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

7,775 fishSep 26, 20242024 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

10,000 fishSep 23, 20242024 report
Rainbow Trout
Rainbow Trout

Trout Lodge/Silver's AF3N

25,102 fishMay 23, 20242024 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

22,088 fishMay 3, 20242024 report
Rainbow Trout
Rainbow Trout

Riverence AF3N

4,713 fishMay 3, 20242024 report
Brown Trout
Brown Trout

Bow River 3N

1,500 fishMay 3, 20242024 report
Rainbow Trout
Rainbow Trout

Campbell Lake 2N

1,613 fishSep 28, 20232023 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

2,500 fishSep 20, 20232023 report
Rainbow Trout
Rainbow Trout

Campbell Lake 2N

9,800 fishSep 19, 20232023 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

2,500 fishSep 19, 20232023 report
Rainbow Trout
Rainbow Trout

Riverance AF3N

5,000 fishSep 18, 20232023 report
Rainbow Trout
Rainbow Trout

Campbell Lake 3N

13,350 fishMay 30, 20232023 report

Alberta Fish Stocking reports (2023–2026) · Open Government Licence – Alberta

Dedicated Cow Lake stocking report page →

Weather data unavailable

Stillwater Hatches

Regional stillwater hatch overview for Southern Alberta (includes Cow Lake)

Midge

Midge

Chironomidae

Highhigh

No photo available

Scud

Gammarus

Highmedium
Leech

Leech

Hirudinea

Moderatemedium
Blue-winged Olive

Blue-winged Olive

Baetis spp.

Lowlow
Full Southern Alberta lake hatch chart

Sportfishing Regulations

Zone boundaries and Special Waters designations from Alberta Fish & Wildlife GIS (updated 2026-05-20). Bag limits, seasons, and gear rules are only on the official guide — verify before you fish.

Watershed unit (sportfishing zone)

ES2Eastern Slopes — ES2

Foothills and mountain lakes (Crowsnest, Castle, Livingstone country).

Open ES2 regulations on albertaregulations.ca

Fish management zone (FMZ)

Eastern Slopes Zone

Broad provincial zone — detailed limits are set per watershed unit above.

Alberta Special Waters (RL-PAAS)

This waterbody appears in the provincial Special Waters inventory. Extra rules (bait bans, size limits, seasonal closures, etc.) may apply — read the official zone guide and any waterbody-specific schedules.

  • COW LAKE · Bow district

    Fisheries survey species: DATE, FISH, NO, SAMPLED, TO (inventory data — not a limit table)

Check Alberta Sportfishing Regulations at albertaregulations.ca.

Current guide season: April 1, 2026 – March 31, 2027.

Alberta Sportfishing Regulations (full guide)Official regulations map (geospatial.alberta.ca)View zone boundaries on AB Fish Report map