Lake · St. Paul County No. 19, Alberta
Upper Thérien Lake
At a glance
- Area
- 841 ha (2,079 acres)
- Mean depth (estimated)
- ≈ 4.3 m (14 ft)
Mean depth: HydroLAKES (Messager et al. 2016)
Who lives here
- Brown trout Salmo truttaStocked · 2026 · Fish stocking: Government of Alberta, Forestry and Parks. Contains information licensed under the Open Government Licence – Alberta
- Rainbow trout Oncorhynchus mykissStocked · 2026 · Fish stocking: Government of Alberta, Forestry and Parks. Contains information licensed under the Open Government Licence – Alberta
Not listed doesn't mean no fish.
Stocking
| Year | Species | Stage | Number |
|---|---|---|---|
| Oct 14, 2026 | Brown Trout | 28.7 cm | 400 |
| Oct 14, 2026 | Rainbow Trout | 26.2 cm | 1,200 |
| Sep 23, 2026 | Brown Trout | 22.4 cm | 500 |
| Jun 8, 2026 | Rainbow Trout | 21.4 cm | 1,800 |
| Jun 8, 2026 | Tiger Trout | 22.8 cm | 300 |
| May 13, 2026 | Rainbow Trout | 22.9 cm | 1,800 |
| May 13, 2026 | Tiger Trout | 23.1 cm | 300 |
| Jul 11, 2025 | Rainbow Trout | 24.8 cm | 1,000 |
| Jul 11, 2025 | Tiger Trout | 28.1 cm | 500 |
| May 7, 2025 | Rainbow Trout | 22.7 cm | 1,800 |
| May 7, 2025 | Tiger Trout | 22.9 cm | 300 |
| May 2, 2025 | Brown Trout | 19.8 cm | 400 |
| Oct 7, 2024 | Rainbow Trout | 22.5 cm | 200 |
| Sep 26, 2024 | Rainbow Trout | 20.3 cm | 600 |
| Sep 26, 2024 | Rainbow Trout | 22.6 cm | 500 |
| May 3, 2024 | Brown Trout | 19.5 cm | 400 |
| May 3, 2024 | Rainbow Trout | 19.5 cm | 720 |
| May 3, 2024 | Tiger Trout | 20.1 cm | 300 |
| Sep 19, 2023 | Rainbow Trout | 21.1 cm | 304 |
| May 3, 2023 | Brown Trout | 19.5 cm | 400 |
As the agency publishes it. Newest first: 20 of 37.
Getting on the water
No public access site is listed for this water yet.
Listed by public agencies. A listed site doesn't make the water or its shore open to fishing: when in doubt, it's unknown. Check signs and local rules.
The rules
Summary, not the law. Check the official regulations before you fish.
HuntGrid has no rules for this water yet.
Official regulations: Alberta Forestry and Parks
What's biting
Not enough anglers have shared catches here lately. A species shows for a week once at least 5 anglers share catches of it.
From anglers who chose to share their catches in HuntGrid Fishing, each counted once, counts rounded to the nearest 5, published 3 days after the week ends and never changed. Never a spot, time or name.
About this page
Sources and licences:
- Natural Resources Canada, CanVec Hydro Features (1:50,000). Contains information licensed under the Open Government Licence – Canada.; Natural Resources Canada, Canadian Geographical Names Database (CGNDB); Adapted from Statistics Canada, 2021 Census Boundary Files (census divisions and subdivisions, provinces). This does not constitute an endorsement by Statistics Canada of this product. · Open Government Licence – Canada 2.0
- Lake mean depth: HydroLAKES (Messager et al. 2016, Nature Communications 7:13603), CC BY 4.0 · CC BY 4.0
- Fish stocking: Government of Alberta, Forestry and Parks. Contains information licensed under the Open Government Licence – Alberta · Open Government Licence – Alberta (https://open.alberta.ca/licence, checked 2026-10-18): "The Information Provider grants you a worldwide, royalty-free, perpetual, non-exclusive licence to use the Information, including for commercial purposes" … "Copy, modify, publish, translate, adapt, distribute or otherwise use the Information in any medium, mode or format for any lawful purpose." open.alberta.ca records fish-stocking-report and fish-stocking-list: licence OGLA.
The outline is drawn from the official water data credited above, without a basemap. These pages show no angler's catches, spots or tracks.