Annadel State Park wilderness guide
State Park · CA

Annadel State Park

Annadel State Park is a popular destination for hikers and mountain bikers, located just east of Santa Rosa, California. The park offers a mix of shaded groves and open meadows alongside small lakes and dense woodlands, providing a dynamic environment for outdoor activities.

State Park5,0924+ Trails

Designation

State Park

Total Wilderness Area

5,092

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Annadel State Park

Annadel State Park is a popular destination for hikers and mountain bikers, located just east of Santa Rosa, California. The park offers a mix of shaded groves and open meadows alongside small lakes and dense woodlands, providing a dynamic environment for outdoor activities.

Wilderness Landscape & Natural Heritage

Annadel State Park, located in the heart of Sonoma County, California, encompasses over 5,000 acres of rolling hills, thick woodlands, and scenic meadows. The park, accessible from Santa Rosa, draws outdoor enthusiasts for its extensive network of trails popular with both hikers and mountain bikers. Lake Ilsanjo, nestled within the park's boundaries, offers respite for anglers looking to catch sunfish and bass. Historically, the region was home to Pomo and Wappo tribes before later serving as a quarry site in the late 19th and early 20th centuries. Today, remnants of its historical legacy can be seen in the form of old quarry pits. Annadel’s ecological appeal is characterized by its abundant wildflowers, which bloom prolifically in spring, as well as its diverse fauna, including deer and coyotes. The park serves as an ideal backdrop for leisurely picnics and nature photography, ensuring its popularity among a range of visitors.

Field Guide · State Park
Adventure Destinations

Notable Destinations Near Annadel State Park

Scenic viewpoints, outdoor landmarks, and notable points of interest within 60 miles.

Key Wilderness Highlights

✦ Lake Ilsanjo - Perfect for fishing and relaxation.✦ Spring Wildflower Blooms - A vibrant natural display.✦ Rough Go Trail - A challenging path for mountain bikers.✦ Ledson Marsh - A serene spot for wildlife observation.
Wilderness Recreation

Outdoor Adventures in Annadel State Park

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

Park Recreation

Hiking

Available in Annadel State Park
Park Recreation

Mountain Biking

Available in Annadel State Park
Park Recreation

Wildlife Viewing

Available in Annadel State Park
Park Recreation

Fishing

Available in Annadel State Park
Park Recreation

Photography

Available in Annadel State Park
The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in Annadel State Park.

Passes & Fees

Entrance Requirements & Interagency Passes

Parking and entry fees apply.

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Wilderness Stays

Camping & Overnight Stays in Annadel State Park

Frontcountry developed campgrounds, backcountry wilderness permit guidelines, and starry-night camping advice.

Trione-Annadel Interior Campground

Primitive sites offering a back-to-nature experience with no amenities.

Adventure Basecamps

Gateway Towns Near Annadel State Park

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Kenwood, California
⌖ 3.99 miles
Gateway Basecamp

Kenwood, California

Kenwood is an inviting destination for outdoor enthusiasts, offering hiking, biking, and horseback riding amid beautiful vineyard landscapes. Enjoy wine tasting and scenic vistas in this charming part of Sonoma Valley.

Spring and Fall
Explore Town
Oratorio, Santa Rosa, California
⌖ 4.96 miles
Gateway Basecamp

Oratorio, Santa Rosa, California

Oratorio in Santa Rosa offers peaceful outdoor escapes with hiking, biking, and paddling nearby. Quiet trails and protected parks make it ideal for nature lovers seeking calm adventures in Sonoma County.

Spring through Fall
Explore Town
Santa Rosa, California
⌖ 4.96 miles
Gateway Basecamp

Santa Rosa, California

Santa Rosa offers a blend of urban charm and outdoor adventure, with hiking and biking in regional parks, paddling gentle rivers and lakes, and cycling through famed Sonoma vineyards. Ideal spring to fall for active travelers seeking nature and wine country fun.

Spring through Fall
Explore Town
Glen Ellen, California
⌖ 6.90 miles
Gateway Basecamp

Glen Ellen, California

Glen Ellen offers scenic vineyards, rolling hills, and peaceful hiking trails for outdoor lovers. Explore Jack London State Historic Park, enjoy wine country paddling, and relax in nature-rich surroundings year-round.

Spring through Fall
Explore Town
Rohnert Park, California
⌖ 7.33 miles
Gateway Basecamp

Rohnert Park, California

Rohnert Park offers family-friendly outdoor activities with a network of parks and trails perfect for hiking, biking, and picnicking. It’s an easy gateway to Sonoma County’s wine country adventures for visitors of all activity levels.

Spring through Fall
Explore Town
Penngrove, California
⌖ 9.25 miles
Gateway Basecamp

Penngrove, California

Penngrove, California offers outdoor lovers tranquil hiking, biking, and bird-watching with scenic country roads and parks. This small town near Sonoma’s vineyards is a peaceful spot for relaxed adventures and nature breaks.

Spring through Fall
Explore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Annadel State Park

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.