State Park · California, United States
Trione-Annadel State Park
Trione-Annadel State Park is a state park in California, United States, covering 5.1 acres (2.1 ha), established in 1971.

Photo: Brian Michelsen from Santa Rosa, California, USA via Wikimedia Commons, CC BY 2.0. Cropped and resized for display.
Park facts
| Park type | State Park |
|---|---|
| Location | Sonoma, California, United States |
| Area | 5.1 acres (2.1 ha) |
| Established | 1971 |
| Coordinates | 38.4292° N, 122.6250° W |
| Managed by | California state park system |
Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.
About Trione-Annadel State Park
Trione-Annadel State Park is a California state park in the United States. It is situated at the northern edge of Sonoma Valley and is adjacent to Spring Lake Regional Park in Santa Rosa. It offers many recreational activities within its 5,092-acre (2,061 ha) property. The rock formations of Trione-Annadel have played a central role in its history: its volcanic origins, the Native American use of obsidian, the early 1900s mining of cobblestones, and modern hikers' appreciation of its volcanic rock outcrops.
Description from the park's Wikipedia article (CC BY-SA), linked in the sources below.
Planning your visit
What to do
Airports near this park
The airports a visitor would actually fly into, nearest first — each link opens its profile on our sister site AirportProfiles.
- Oakland San Francisco Bay Airport (OAK) · Oakland, United States · 53.7 miles away
- San Francisco International Airport (SFO) · San Francisco, United States · 57.6 miles away
- Sacramento International Airport (SMF) · Sacramento, United States · 58.8 miles away
Parks nearby
More parks in California
Frequently asked questions
Where is Trione-Annadel State Park?
Trione-Annadel State Park is in California, United States (38.4292° N, 122.6250° W).
When was Trione-Annadel State Park established?
Trione-Annadel State Park was established in 1971, per the source listed at the foot of this page.
How big is Trione-Annadel State Park?
Trione-Annadel State Park covers 5.1 acres (2.1 ha).
Sources
- https://en.wikipedia.org/wiki/List_of_California_state_parks — Wikipedia list of California state parks — park name, county/location, size, year where the table states them.
- https://en.wikipedia.org/wiki/Trione-Annadel_State_Park — Wikipedia article — description (CC BY-SA).











