Annadel State Park

Rate this place

Last Updated: December 5, 2025

Annadel State Park is a popular destination located in Sonoma County, California.


°F

°F

mph

Wind

%

Humidity

Summary

There are many reasons to visit the park, including its beautiful scenery, diverse wildlife, and numerous recreational activities. Visitors can hike or bike on over 40 miles of trails, fish in one of several lakes, or go horseback riding.

One of the most popular attractions in Annadel State Park is Lake Ilsanjo, a picturesque lake surrounded by oak trees and grasslands. The park is also home to several historical sites, including the remains of a 19th-century winery and the ruins of a stone house built by the park's founder, William Hood.

During the spring months, the park is covered in wildflowers, making it a great time to visit for nature lovers. Visitors can also enjoy the park's fall foliage or take advantage of the cooler temperatures in the winter months.

Overall, Annadel State Park is a great destination for those looking to experience the natural beauty of California and take part in a variety of outdoor activities.

       

Weather Forecast

Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
Related References