Hiking Galore

Enjoy over 25 miles of trails for every level of hiking ability

Stunning Beauty

Adventure and exploration the entire family will love

Headwaters to Sonoma Creek

Enjoy a stunning waterfall which flows 25 ft. high after winter rains!

Stay and Explore

We offer 47 family-sized campsites! Group camping available as well.
Sugarloaf Volunteer Training @ Sugarloaf Ridge State Park - Observatory
Jul 21 @ 9:00 am – 1:00 pm

Whatever your talents or interests, we have volunteer opportunities for you.  Initial training is provided and periodic docent enrichment events feature speakers who provide more insight into specific aspects of park history or ecology.

You can:
– Work as a docent Visitor Center (high need)
– Work in the park entrance kiosk (high need)
– Lead fitness or nature hikes
– Assist with trail and park maintenance projects
– Assist with Special Events and parking
No experience is necessary, just a willingness to learn and the desire to share that knowledge with our visitors.  We ask for 4 hours per month of volunteer service. Volunteers will earn annual day use park passes.

Join us!  Together we can help make the parks thrive and provide great experiences for park visitors.

To learn more contact
Susan St. Marie
Director, Program and Volunteer Management

Jack London and Sugarloaf Ridge State Parks

Caminata por la naturaleza / Spanish Language Nature Walk @ Sugarloaf Ridge State Park
Jul 21 @ 10:00 am – 11:30 am

Caminata por la naturaleza / Spanish Language Nature Walk

Vengan todos para una caminata por 1.4 millas de la naturaleza a lado de Sonoma Creek cada tercer sábado del mes. El líder de la caminata le enseñará sobre las plantas, los animales, y la vida acuática de Sonoma Creek. La caminata comenzará en el Centro de Visitantes. La caminata es gratis. Hay cargos de estacionamiento de ocho dólares. [Caminata por la naturaleza de Sesame Street aquí.]


Nature Walk

Join us for a 1.4-mile nature hike along the Sonoma Creek every third Saturday of the month. On the hike your leader will teach you about the plants, animals and aquatic life of Sonoma Creek. The hike starts at the visitors center.  No fee, but parking charges apply.

Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Jul 26 @ 9:00 am – 1:00 pm

Help Sugarloaf with trail restoration work. Tasks includes bridge and step construction, installing signs, clearing, lifting, carrying and hiking. Bring gloves, hat, and water that you can take with you while working.Wear long pants, boots or sturdy shoes and sunscreen. Poison oak is present, so long sleeves are suggested. We have tools and trained crew leaders with tasks for all. Those under 18 years old must be accompanied by a responsible adult. We will provide tools, food and beverages. If you are a current State Parks volunteer, signup in vicnet. If you are an SEC volunteer, sign up here: http://www.signupgenius.com/go/20f0e4aaca62ca3ff2-sugarloaf1

Full Moon Hike at Sugarloaf @ Sugarloaf Ridge State Park
Jul 27 @ 7:00 pm – 11:00 pm

Bring a flashlight and your sense of wonder as you explore the park after dark. This moderate to strenuous level hiking route will begin at the white barn and head through Meadow and Vista trail where we will see the moon rise over the Mayacamas and the sun set over Sonoma Valley before coming down Lower Bald Mountain trail and completing the loop. It covers 4.5 miles and 700 ft of elevation gain.

Tickets here: https://www.brownpapertickets.com/event/3562103

ParkRx – Forest Therapy @ Sugarloaf Ridge State Park
Jul 28 @ 9:30 am – 12:30 pm

The Practice of Forest Therapy, has been shown to improve health and well-being.

Have you heard about Shinrin Yoku or Forest bathing? Here is an opportunity to take a walk and experience the practice for yourself. Learn techniques to maximize the health benefits and stress reducing qualities of this walking practice. Shinrin yoku originated in Japan and is gaining popularity in the United States for its documented Health benefits.

This practice takes a walk in the woods to another level. A centering and calming restorative practice, it promotes balance and restored vitality through a quality of presence and heightened sensory awareness. Recent articles have been written up in Oprah, Time Magazine, and National Geographic, as well as numerous other publications. Sugarloaf Ridge State Park hosts a Forest Therapy Series as part of its Parks RX program the 4th Saturday of each month (http://parkrx-sonomacounty.org/events/). These walks are led by certified ANFT (Association of Nature and Forest Therapy) practitioners. See http://www.natureandforesttherapy.org/ for more info about this practice.

Tickets $20 or free with a ParkRx from a Sonoma County Medical Provider (click Doctor’s Info here for more info).

Tickets: https://www.brownpapertickets.com/event/3327719


Creekside Nature Hike @ Sugarloaf Ridge State Park
Jul 28 @ 10:00 am – 11:30 am

Join us for a 1.4-mile nature hike along the Sonoma Creek. On the hike your leader will teach you about the plants, animals, and aquatic life of Sonoma Creek. The hike starts at the visitors’ center. No fee, but parking charges apply.

ParkRx – BEGINNING Hiking for Fitness Series @ Sugarloaf Ridge State Park
Aug 4 @ 8:00 am – 11:00 am

Please Join us for an 8-week BEGINNING Hiking for Fitness Program. The program leaders will guide you on a series of weekly hikes with the challenge increasing each week. Before the first hike, the leader will discuss proper shoes, hydration, incorporating hiking poles, proper pacing, etc. The group’s final hike aims for the picnic table past neptune on Sugarloaf’s Planet Walk, where hikers can enjoy the beautiful vistas.

The Hiking series costs $80, or free (including free parking on Sugarloaf hikes) for hikers with a ParkRx from a Sonoma County Medical Provider. For more information on ParkRx please visit https://parkrx-sonomacounty.org/

1) Sat 8/4–White Barn to Uranus, 2.2 miles, 80 feet
2) Sat 8/11–Spring Lake from Shady Oaks parking lot via Bay Area Ridge Trail, horse trail. 3.2, ca 150 elevation
3) Sat 8/18–Meadow Hillside Loop starting, ending at campground, 3 miles, 250 ft
4) Sat 8/25–Spring Lake / Lake Ralphine loop 4.3 miles 250 starting at Cobblestone parking lot
5) Sat 9/1–Stern Pony Gate and Canyon, Stern Road 3 miles, 500 ft
6) Sat 9/8–Vista Trail loop, 3.6 miles 700 ft
7) Sat 9/15–Community Gardens to East West Café and back, loop 6.5 miles, minimal elevation
8) Sat 9/22–Neptune Picnic Table, 4.3 miles 640 ft




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Camping at Sugarloaf

Camping at Sugarloaf

You can enjoy camping year-round at Sugarloaf with 47 family-friendly, alcohol-free camping spaces nestled in a large meadow and bordered by a year-round stream and a hillside forest.

Robert Ferguson Observatory

Stargazing at Robert Ferguson Observatory

Completely dedicated to public viewing and education, the Robert Ferguson Observatory is the LARGEST in the western United States and it’s right here at Sugarloaf Ridge State Park.

School Programs

School Programs

Sugarloaf offers a wide range of educational opportunities for classes of all ages! Featuring 25 miles of trails, year-round camping, a seasonal waterfall, one of the highest peaks in Sonoma County, and the headwaters to Sonoma Creek!