Last stocked
August 17, 2024
Plants on record
10
Since 2011
Species recorded
1
Average size
1.6 in
Elevation
5,549.7 ft
Access and facts
- Nearest town
- Eureka
- Boat ramp
- Yes
- Facilities
- restrooms, camping
USFS campground on the 45-acre lake in Kootenai National Forest near Eureka, by the Ten Lakes Scenic Area. 10 sites, vault toilets, potable water, food storage boxes, boat ramp for small boats, and a one-mile loop trail around the lake.
Sources: access , shore_notes , facilities , nearest_town , fishing_notes , watch_outs
How Big Therriault Lake is stocked
The first plant of the year usually falls in the fourth week of August. In 2024 it was August 17, 2024, about when it usually is.
No plants recorded in 2013, 2016, 2018, and 2020.
Moran Lake (10.5 mi) and Tetrault Lake (10.8 mi) were stocked more recently. Tetrault Lake is also stocked with Cutthroat Trout.
Fish at Big Therriault Lake
Fishing Big Therriault Lake is most likely to be for Cutthroat Trout. All 10 plants on record are Cutthroat Trout.
Around the dates Big Therriault Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 60°F in August, 50.8°F in September, 61°F in July, 35.3°F in October. That is air temperature at these coordinates, not water temperature. Open-Meteo
Cutthroat Trout 10 plants
- Plants
- 10 of 10
- Last stocked
- August 17, 2024
- Average length
- 1.6 in
Fishing Big Therriault Lake
Big Therriault Lake offers fishing opportunities, along with water activities and motorized boating. There is a boat ramp developed for small boats. The campground, located 12.5 air miles from Fortine, is available all year around to visitors. Access is dependent upon weather conditions.
Sources: fs.usda.gov
What to watch for
Access is dependent upon weather conditions, which could impact visitor plans.
Fish stocked per year
- 4,0502011
- 3,6042012
- 4,3272014
- 3,5992015
- 3,8702017
- 4,0002019
- 4,0002021
- 4,0002022
- 4,2502023
- 4,0002024
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| August 17, 2024 | Cutthroat Trout | 4,000 | 2 in | report |
| July 14, 2023 | Cutthroat Trout | 4,250 | 1.14 in | report |
| October 11, 2022 | Cutthroat Trout | 4,000 | 1.75 in | report |
| August 19, 2021 | Cutthroat Trout | 4,000 | 1.99 in | report |
| August 5, 2019 | Cutthroat Trout | 4,000 | 1.21 in | report |
| September 7, 2017 | Cutthroat Trout | 3,870 | 2 in | report |
| September 9, 2015 | Cutthroat Trout | 3,599 | 1.83 in | report |
| August 18, 2014 | Cutthroat Trout | 4,327 | 1.26 in | report |
| August 22, 2012 | Cutthroat Trout | 3,604 | 1.52 in | report |
| August 31, 2011 | Cutthroat Trout | 4,050 | 1.47 in | report |
Species stocked here
Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.