Thompson Chain-of-Lakes State Park
About
Thompson Chain-of-Lakes State Park is a 2,828-acre state park in northwest Montana, about 3 miles from the town of Happys Inn. The land is managed by the state fish and wildlife agency, and the park holds two spots for fishing or paddling. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July and August highs around 78°F with lows in the low 40s and only about six wet days a month, while winter brings highs near 30°F and regular snow. Pleasant Valley Fisher River, a canoeing route about 4.6 miles away, and Fritz Mountain, a hike about 4.7 miles away, are the closest options. For an overnight stay, Pleasant Valley Campground sits about 6.4 miles off, and the Fisher River offers more paddling about 9.6 miles away.
Park size
2,828 acres
Inside this park
Location
Thompson Chain-of-Lakes State Park
Montana
Data source: USGS PAD-US 4.1 (Protected Areas Database, public domain)
Facts about this place
When to go
Best time to go: May–Sep. The mildest months here, with typical highs of 62–78°F and lows of 34–42°F.
Typical monthly averages (not a forecast) from the Libby 32 Sse, MT weather station, 9.2 mi away. High / low in °F, and days with snow.
- Jan30° high15° low12 days with snow
- Feb35° high15° low10 days with snow
- Mar43° high22° low10 days with snow
- Apr52° high28° low5 days with snow
- May62° high34° low1 days with snow
- Jun69° high39° low
- Jul78° high42° low
- Aug78° high40° low
- Sep67° high34° low
- Oct52° high27° low3 days with snow
- Nov37° high22° low9 days with snow
- Dec29° high15° low13 days with snow
Where it is
- Thompson Chain-of-Lakes State Park · State park
- Nearest town
- Happys Inn, Montana · 2.9 mi
- Managed by
- State Fish and Wildlife
Nearby
- Pleasant Valley Fisher RiverCanoeing4.6 mi
- Fritz MountainHiking4.7 mi
- Barnum CreekHiking5.5 mi
- Kenelty MountainHiking5.9 mi
- Satire MountainHiking6 mi
- Pleasant Valley CampgroundCamping6.4 mi
- Marl CreekHiking6.4 mi
- Fisher RiverCanoeing9.6 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Thompson Chain-of-Lakes State Park
Best months: May–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
30° / 15°
14 wet · 12 snow
Feb
35° / 15°
12 wet · 10 snow
Mar
43° / 22°
13 wet · 10 snow
Apr
52° / 28°
12 wet · 5 snow
May
62° / 34°
12 wet · 1 snow
Jun
69° / 39°
10 wet
Jul
78° / 42°
6 wet
Aug
78° / 40°
6 wet
Sep
67° / 34°
7 wet
Oct
52° / 27°
11 wet · 3 snow
Nov
37° / 22°
14 wet · 9 snow
Dec
29° / 15°
15 wet · 13 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Libby 32 Sse, MT, 9.2 mi away at 3,440 ft. We don't have this place's elevation, so higher spots nearby can run cooler. Source: NOAA NCEI U.S. Climate Normals 1991–2020.