State park

Trione-Annadel State Park

California

About

Trione-Annadel State Park is a state park in California, about 4.7 miles from Santa Rosa. California's state park agency manages the land, and a single trail runs inside the park. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station in Santa Rosa show May highs around 74°F with lows near 48°F, while summer highs climb into the low 80s and winter brings most of the year's wet days. Several trails sit within about half a mile of the park, including Louis Trail, Lake Trail and Spring Creek Trail. Paddlers can head to Santa Rosa Creek, roughly 2.9 miles away.

Park size

5,112 acres

Inside this park

Loading conditions...
Get Directions

Location

Trione-Annadel 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: Jan–Nov. The mildest months here, with typical highs of 60–84°F and lows of 38–52°F.

Typical monthly averages (not a forecast) from the Santa Rosa, CA weather station, 5.3 mi away. High / low in °F, and days with snow.

  1. Jan60° high38° low
  2. Feb64° high40° low
  3. Mar67° high42° low
  4. Apr71° high44° low
  5. May74° high48° low
  6. Jun80° high51° low
  7. Jul82° high52° low
  8. Aug83° high52° low
  9. Sep84° high51° low
  10. Oct79° high48° low
  11. Nov67° high42° low
  12. Dec59° high38° low

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

Where it is

  • Trione-Annadel State Park · State park
Nearest town
Santa Rosa, California · 4.7 mi
Managed by
State Park and Recreation

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

Nearby

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

    Trione-Annadel State Park — State park in California | Roamze