Trione-Annadel State Park
Also known as Annadel State Park, Trione-Annadel SP
- Status
- Open (per official listing)Daily 8 a.m. – sunset
- Entrance fee
- $7 per dayAnnual pass available
- Day-use reservations
- None mentioned
- Dogs
- Dogs allowed, with restrictions
- Camping
- None listed
- Official site
- parks.ca.gov(707) 539-3911
Official page last checked Oct 29, 2026. How we keep this current
Overview
In Sonoma County, about 4 miles east of Santa Rosa, Trione-Annadel State Park covers about 5,112 acres.
The park supports horseback riding, historic sites, fishing, ranger programs, and wildlife watching.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Daily | 8 a.m. – sunset | — |
Official wording
8 A.M. to Sunset
WEATHER: Spring and summer temperatures are warm, with average highs in the 80s and 90s. Fall and winter can be cool, with temperatures in the 50s. Rainfall averages about 30 inches a year, most of it during the winter and early spring. Fog and snow are rare.
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Los Angeles).
Fees and passes
| Item | Amount |
|---|---|
| Vehicle Day Use | $7 |
Official wording
Special rates may apply for peak season, high demand holiday periods, and during weekends. Prices are subject to change without notice. • Vehicle Day Use: $7.00
California park passes
- California Explorer Annual Pass — $195. Vehicle day-use entry to 134 state parks incl. high-demand Southern California beaches Details
- Golden Poppy Annual Pass — $125. Vehicle day-use entry to 112 state parks Details
- Historian Passport — $50. Admission for up to four people at per-person-fee State Historic Parks Details
- Off-Highway Vehicle (OHV) Annual Pass — $50. Entry to State Vehicular Recreation Areas that collect day-use fees Details
- SNO-Park Pass — $40 season / $15 day. 18 SNO-PARK winter recreation areas Details
From the California state guide. Confirm which passes this park accepts.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Booking system
- ReserveCalifornia
- Phone
- (800) 444-7275
We link to the official booking system rather than showing live availability, which changes minute to minute.
Pets
Dogs allowed, with restrictions
Not allowed in or on: trails; any trails or in backcountry areas.
Are dogs allowed? Yes: Dogs allowed only in developed areas like Channel Drive. Dogs not allowed on trails, dirt roads, or in backcountry. DOGS are allowed in paved areas such as the Visitor Center parking lot area and along Channel Drive. Dogs must be on leash at all times. Dogs are not allowed on any trails or in backcountry areas.
Service animals are generally permitted where pets are not. Check with the park for specific areas.
Things to do
PicnickingFishingHistoric sites and toursRanger and interpretive programsWildlife viewing and birdingHikingBikingHorseback riding
Amenities
Facilities
- Restrooms
- Drinking water
- Picnic areas
- Visitor center
- Nature center or museum
- Parking
Recreation
- Horse trails
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Accessibility
Overview
Trione-Annadel State Park is a small day use park east of Santa Rosa. It is off Highway 12 at 6201 at Channel Drive, Santa Rosa. Phone (707) 539-3911 for more info.
Picnic Area
Two accessible picnic tables sit on a firm surface under a tree off the main parking lot at the end of Channel Drive. There is an accessible portable restroom nearby and the parking lot includes one site designated accessible. The packed dirt lot and path to restroom and table are generally accessible.
Trails
At the Warren Richardson trailhead parking lot, a wheelchair accessible horse mounting platform is available.
Other Information
A GRIT Freedom Chair: Spartan is available for public use free of charge. The GRIT Freedom Chair: Spartan is a rugged off-road manual wheelchair designed for use over uneven terrain. The chair features a patented lever drive that gives users the same benefits of shifting gears on a bike. For more information and availability, phone the park at (707) 539-3911.
Official accessibility information
Conditions change. Contact the park to confirm specific accessible features before your visit.
Getting there
- Address
- 6201 Channel Drive
Santa Rosa, CA 95409 - Nearest town
- Santa Rosa — about 4 mi east (straight line)
- Coordinates
- 38.4519, -122.6335
- Phone
- (707) 539-3911
Entrances
- Directions point
Google Maps directionsApple MapsOfficial park map (PDF)
Directions from the park
The park is east of Santa Rosa and south of Highway 12 on Channel Drive via Montgomery Drive. 6201 Channel Drive Santa Rosa, California, 95409
Nearby state parks
Sources and freshness
- California State Parks — park page — last checked Oct 29, 2026
- California State Parks Listing page (one link per unit, page_id = officialId), unioned with the CSP Enterprise GIS 'ParkEntryPoints' ArcGIS layer (coords, address, county, unit number, management status) and the 'CSPParkUnit_CurrentStatus' layer (open/partial/full closure)
- Wikidata
- USGS PAD-US 4.1 (boundary and acreage)
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology