Rainbow Trout Stocked · 5 plants · last June 18, 2024 Best: dawn, dusk Upper Thompson Lake fishing
Upper Thompson Lake fishing has Rainbow Trout on the stocking report. Also recorded: Yellow Perch, Northern Pike, Largemouth Bass, Pumpkinseed, Smallmouth Bass, Crappie, and 1 more. It is stocked about 0.4 times a year since 2012, most often in May and June. Species guides list dawn and dusk for Rainbow Trout, Largemouth Bass, and Smallmouth Bass, dawn, day, and dusk for Yellow Perch and Northern Pike, and dusk for Pumpkinseed.
- Last stocked
- June 18, 2024
- · Rainbow Trout
- Plants on record
- 5
- Since 2012
- Species stocked
- 1 (+7 also recorded)
- Average size
- 4 in
- Elevation
- 3,335.4 ft
Fish at Upper Thompson Lake
Rainbow Trout Stocked · 5 plants · last June 18, 2024 Best: dawn, dusk 
Yellow Perch Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Yellow Perch species guide
Northern Pike Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Northern Pike species guide
Largemouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Largemouth Bass species guide
Pumpkinseed Confirmed present Best: dusk Best: dusk
Pumpkinseed species guide
Smallmouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Smallmouth Bass species guide
Crappie Confirmed present Best: dawn, dusk, night Best: dawn, dusk, night
Crappie species guide
Kokanee Confirmed present Best: dawn, dusk Best: dawn, dusk
Kokanee species guideHow Upper Thompson Lake is stocked
No plants recorded in 8 years between 2012 and 2024.
Fish stocked in 2012
5,500
Fish stocked in 2015
20,760
Fish stocked in 2018
20,328
Fish stocked in 2021
20,736
Fish stocked in 2024
20,020
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 18, 2024 | Rainbow Trout | 20,020 | 3.25 in | report |
| June 23, 2021 | Rainbow Trout | 20,736 | 3.79 in | report |
| May 10, 2018 | Rainbow Trout | 20,328 | 3.66 in | report |
| May 14, 2015 | Rainbow Trout | 20,760 | 3.92 in | report |
| September 25, 2012 | Rainbow Trout | 5,500 | 5.49 in | report |
Access and facts
- Nearest town
- Libby
- Boat ramp
- Yes
- Fee required
- Yes
- Facilities
- camping
Thompson Chain of Lakes State Park has a concrete boat ramp on Upper Thompson Lake, part of a chain of lakes along Highway 2 between Kalispell and Libby with 83 rustic campsites and an $8 nonresident day fee.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
About Upper Thompson Lake
Park roads are not maintained during winter months, which could affect access to Upper Thompson Lake. (fwp.mt.gov, accessed October 5, 2026)
Drafted by AI from the cited sources and checked before publishing.
Nearest lakes
Common questions
What fish are at Upper Thompson Lake?
Fishing Upper Thompson Lake usually means Rainbow Trout. All 5 plants on record are Rainbow Trout. Rainbow Trout was last stocked June 18, 2024, averaging 4 in. Yellow Perch, Northern Pike, Largemouth Bass, and Pumpkinseed, plus 3 more are recorded here outside the stocking reports.
When is Upper Thompson Lake stocked?
Last stocked June 18, 2024. It is stocked about 0.4 times a year since 2012, most often in May and June. No plants recorded in 8 years between 2012 and 2024.
How big are the fish stocked at Upper Thompson Lake?
Rainbow Trout stocked at Upper Thompson Lake average 4 in.
How do you get on Upper Thompson Lake?
There is a boat ramp and a fee is required. The nearest town is Libby. Facilities include camping. Thompson Chain of Lakes State Park has a concrete boat ramp on Upper Thompson Lake, part of a chain of lakes along Highway 2 between Kalispell and Libby with 83 rustic campsites and an $8 nonresident day fee.
Which lakes near Upper Thompson Lake were stocked more recently?
Cibid Lake (2.5 mi), Middle Thompson Lake (2.8 mi), Leon Lake (3.4 mi), Lower Thompson Lake (4.6 mi), and Mcgregor Lake (11.6 mi) were stocked more recently. Cibid Lake is also stocked with Rainbow Trout, Middle Thompson Lake is also stocked with Rainbow Trout, Leon Lake is also stocked with Rainbow Trout, Lower Thompson Lake is also stocked with Rainbow Trout, and Mcgregor Lake is also stocked with Rainbow Trout.