State park

Thompson Chain-of-Lakes State Park

Montana

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

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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.

  1. Jan30° high15° low12 days with snow
  2. Feb35° high15° low10 days with snow
  3. Mar43° high22° low10 days with snow
  4. Apr52° high28° low5 days with snow
  5. May62° high34° low1 days with snow
  6. Jun69° high39° low
  7. Jul78° high42° low
  8. Aug78° high40° low
  9. Sep67° high34° low
  10. Oct52° high27° low3 days with snow
  11. Nov37° high22° low9 days with snow
  12. Dec29° high15° low13 days with snow

Source: NOAA NCEI U.S. Climate Normals 1991–2020

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

Source: USGS PAD-US 4.1; USGS GNIS populated places

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.

  1. Jan

    30° / 15°

    14 wet · 12 snow

  2. Feb

    35° / 15°

    12 wet · 10 snow

  3. Mar

    43° / 22°

    13 wet · 10 snow

  4. Apr

    52° / 28°

    12 wet · 5 snow

  5. May

    62° / 34°

    12 wet · 1 snow

  6. Jun

    69° / 39°

    10 wet

  7. Jul

    78° / 42°

    6 wet

  8. Aug

    78° / 40°

    6 wet

  9. Sep

    67° / 34°

    7 wet

  10. Oct

    52° / 27°

    11 wet · 3 snow

  11. Nov

    37° / 22°

    14 wet · 9 snow

  12. 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.