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State park

Plumas-Eureka State Park

California

About

Plumas-Eureka State Park is a California state park managed by State Park and Recreation, about a mile from the town of Johnsville. It sits within the Beckwourth Ranger District of Plumas National Forest, so the surrounding land is a mix of state park and national forest. Late spring and early fall are the most comfortable times to visit. Typical averages from the nearby Portola weather station show May highs around 67°F and September highs near 79°F, while July and August average highs in the mid-80s. Eureka Peak Trail and Jamison Creek are both under a mile away, and Smith Lake Trail is about 1.5 miles off. For an overnight stay, Lakes Basin Group Campground is roughly 4 miles away.

Park size

5,000 acres

Inside this park

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Location

Plumas-Eureka State Park

California

Data source: USGS PAD-US 4.1 (Protected Areas Database, public domain)

Facts about this place

When to go

Best time to go: Aug–Oct. The mildest months here, with typical highs of 66–85°F and lows of 30–43°F.

Typical monthly averages (not a forecast) from the Portola, CA weather station, 13 mi away. High / low in °F.

  1. Jan43° high19° low
  2. Feb46° high21° low
  3. Mar52° high25° low
  4. Apr58° high29° low
  5. May67° high35° low
  6. Jun77° high40° low
  7. Jul86° high45° low
  8. Aug85° high43° low
  9. Sep79° high37° low
  10. Oct66° high30° low
  11. Nov53° high24° low
  12. Dec42° high19° low

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

Where it is

Nearest town
Johnsville, California · 1 mi
Managed by
State Park and Recreation

Source: USFS EDW boundaries; USGS PAD-US 4.1; USGS GNIS populated places

Conditions

Active alerts for Plumas National Forest as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

    Plumas-Eureka State Park — State park in California | Roamze