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Welcome to Sugarloaf Ridge State Park

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!

Welcome to Sugarloaf Ridge State Park

Sugarloaf Ridge State Park contains the headwaters of Sonoma Creek. It runs through gorge and canyon, across the meadow floor, beneath scenic rock outcroppings, and is surrounded at times by redwoods and ferns. With 47 family sized campsites and 25 miles of hiking trails, it is the perfect place to spend time outdoors with your family!

Camping:  We have 44 campsites open, both reservable and first-come, first-serve in our lovely creekside campground.  And our Glamping sites opened April 1st–reservations available and booking fast!  For first-come-first-served sites call at 10:00 am.  Call ahead, these sites fill fast.

Dec
8
Thu
Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Dec 8 @ 9:00 am – 1:00 pm

Help Sugarloaf with trail restoration work. Work includes bridge and step construction, installing signs, clearing, lifting, carrying and hiking. Bring gloves, hat, and water that you can carry hands-free (i.e. bring a backpack). 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. Minors must be accompanied by a responsible adult. We will provide tools, and if allowed, lunch.

If you are a current Sugarloaf volunteer,  log in to Better Impact to sign up. Otherwise, start here to become a volunteer.

Dec
10
Sat
Group Fitness Hikes @ Sugarloaf Ridge State Park
Dec 10 @ 9:00 am – 1:00 pm
Choose your own adventure! Part of our Hiking for Fitness program, these free, moderate-to-strenuous group hikes are geared to keep you motivated through the cold season. Parking fees apply. Hikes are (usually) every second and fourth Saturday of the month.

11/12 – route A: Vista Trail Loop (clockwise): ~4.1 mi, 600ft elevation, meets @ main lot
route B: Crazy 8 Waterfall Loop + Vista Trail circuit: 6.5mi, 1400ft elevation, meets @ main lot
11/26 – route A: Goodspeed to Nattkemper bench: 4.2 mi, 1060 ft elevation, meets @ Goodspeed lot
route B: Goodspeed to Gunsight Rock: 6.5 mi, 2080 ft elevation, meets @ Goodspeed lot
12/10 – route A: Vista Loop (CCW): 3.6 mi, 700 ft elevation, meets @ White Barn lot
route B: Vista to Bald Mountain Loop: 6 mi, 1520 ft elevation, meets @ White Barn lot
12/17 –  Brushy Peaks to Neptune picnic table: 4.3 mi, 650-ft elevation, meets @ White Barn lot
Dec
15
Thu
Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Dec 15 @ 9:00 am – 1:00 pm

Help Sugarloaf with trail restoration work. Work includes bridge and step construction, installing signs, clearing, lifting, carrying and hiking. Bring gloves, hat, and water that you can carry hands-free (i.e. bring a backpack). 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. Minors must be accompanied by a responsible adult. We will provide tools, and if allowed, lunch.

If you are a current Sugarloaf volunteer,  log in to Better Impact to sign up. Otherwise, start here to become a volunteer.

Dec
17
Sat
Group Fitness Hikes @ Sugarloaf Ridge State Park
Dec 17 @ 9:00 am – 1:00 pm
Choose your own adventure! Part of our Hiking for Fitness program, these free, moderate-to-strenuous group hikes are geared to keep you motivated through the cold season. Parking fees apply. Hikes are (usually) every second and fourth Saturday of the month.

11/12 – route A: Vista Trail Loop (clockwise): ~4.1 mi, 600ft elevation, meets @ main lot
route B: Crazy 8 Waterfall Loop + Vista Trail circuit: 6.5mi, 1400ft elevation, meets @ main lot
11/26 – route A: Goodspeed to Nattkemper bench: 4.2 mi, 1060 ft elevation, meets @ Goodspeed lot
route B: Goodspeed to Gunsight Rock: 6.5 mi, 2080 ft elevation, meets @ Goodspeed lot
12/10 – route A: Vista Loop (CCW): 3.6 mi, 700 ft elevation, meets @ White Barn lot
route B: Vista to Bald Mountain Loop: 6 mi, 1520 ft elevation, meets @ White Barn lot
12/17 –  Brushy Peaks to Neptune picnic table: 4.3 mi, 650-ft elevation, meets @ White Barn lot
Sugarloaf Nature Photography Hike @ Sugarloaf Ridge State Park
Dec 17 @ 10:00 am – 1:00 pm

Winter in Sugarloaf offers many different colors, shapes, textures, and lighting: great for practicing nature photography.
California Naturalist John Lynch leads this easy, slow, 3.5 mile hike from creekside to hillside and back through the meadow using our cameras as tools to engage in the aesthetic appreciation of nature and natural landscapes while also documenting flora and fauna through iNaturalist.

If you haven’t used iNaturalist, or haven’t made an observation for a while, this is your chance – just make sure to load the iNaturalist app on your phone before you arrive and have your battery fully charged. Wear appropriate clothing and footwear. Bring at least a quart of water, a snack, sun protection, and if preferred, a digital camera/tripod.

We will meet at the main parking lot. Heavy rain cancels, parking fees apply.

Ease of access: the Creekside Nature Trail is short, flat, composite trail. The connection from Creekside to Hillside trail is a single-track, slopped uphill. Hillside Trail is a gravel fire road with two prominent hills of around 250 ft of elevation. Hillside Trail turns into Meadow Trail after the Brushy Peaks junction. Meadow, although not ADA-compliant, is a mostly flat fire road passable by wheelchair and stroller.

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Read the Sonoma Ecology Center 2022 Impact Report!

 

Our parent organization, Sonoma Ecology Center, making great impacts in the areas of COMMUNITY, LAND, CLIMATE, WATER, and BIODIVERSITY in Sonoma Valley.

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

Community-Operated Park

Sugarloaf Ridge State Park is operated by Sonoma Ecology Center and Team Sugarloaf. Learn more by visiting the Team Sugarloaf Page

THE ECOLOGY BLOG

Learn about the many activites and impacts throughout Sonoma Valley of our lead organization, Sonoma Ecology Center.

SDC Specific Plan Update

The Sonoma Developmental Center campus Starting with the establishment of the County’s first recognized wildlife corridor across the Sonoma Developmental Center in 1998, and the eventual transfer of 600 acres of SDC’s open space lands to Jack London State Historic Park in 2002, Sonoma Ecology Center has continued to push for the protection of the site’s land, water, and biodiversity in the […]

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Fall and Winter Garden Maintenance

If you need help with native plants garden planning, Sonoma Ecology Center offers landscape design as a fee-for-service program. Our firewise designs apply habitat and water conservation principles, using native plants, customized to your property, to reach sustainability goals. Contact Design and Implementation Project Manager Jon Nord Kanagy at jonk@sonomaecologycenter.org for more information.

By […]

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Watershed Education Program Returns to Fully In-Person Instruction for 2022-2023! | ¡El programa de educación de la cuenca hidrográfica regresa en persona a las escuelas durante el 2022-2023!

The Watershed Education Program from Sonoma Ecology Center (SEC) equips Sonoman youth with the quality environmental science they need to become the next generation of stewards and policy makers. We provide valuable and hands-on education about our lived environments: land, water, and climate, to 2nd, 4th, 5th, and 6th graders in Sonoma Valley, free of […]

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