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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!

Great News! The park is open for camping and hiking and recovering well from the Glass Fire!

Hiking:  Most trails are open and the flowers are in full bloom.  Goodspeed Trail, part of Brushy Peaks Trail, and all trails in the McCormick Addition remain closed due to the Glass fire. 

Park Day Use Hours: 6:00am-10:00pm

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 am.  Call ahead, these sites fill fast! 

Social Distancing and Face Covering Information

Park visitors must comply with social distancing, hygiene, and face-covering requirements:

  • Stay at least 6 feet from others who are not part of your household.
  • Carry a face covering at all times. Coverings must be worn outdoors when you cannot stay 6 feet from others, such as when passing others on a trail.

  • Do not visit a park if you have any symptoms of Covid-19: fever, cough, sore throat, shortness of breath, unusual headaches, severe fatigue, chills, gastrointestinal symptoms, and lost sense of smell or taste.
  • Do not use group facilities.
  • Do not use drinking fountains. Bring your own water.
  • Pack out your litter to reduce the amount of trash parks staff and visitors may come into contact with. 
  • Cover coughs or sneezes with a tissue and pack out your tissue for disposal at home.

Parking

When parking, please observe social distancing protocols. If the park becomes too crowded, we may temporarily close access. Please come early or later in the day if you want to be sure of entry.

Events

Events are back!  Please see our calendar below for our socially distanced, COVID safe events.   

Additional Information

For more information about Sonoma County’s shelter-in-place health order and other Covid-19 emergency resources, visit SoCoEmergency.org.

 

Jul
26
Mon
Creek Camp at Sugarloaf Ridge State Park @ Sugarloaf Ridge State Park
Jul 26 @ 9:00 am – Jul 30 @ 3:00 pm

Join us for a week (or two!) of Creek camp exploration at Sugarloaf Ridge State Park. Traverse the headwaters of Sonoma Creek Watershed in this recreational and environmental education camp. Campers will spend the week as explorers, starting off the day with morning hikes on the park’s trails. As the day warms, we’ll stay close to water, exploring the creeks for insects and amphibians. Activities include investigating the properties of water, collecting and studying aquatic insects, learning about the wildlife and plants found in the park. Our camp days will also consist of plenty of games, hiking, and storytelling.

 

Creek Camp is run by Sonoma Ecology Center naturalist Jonny Ehlers. Jonny is a fourth-generation educator who began working with youth right out of high school in an after-school program in Sacramento. He later became an educator in West Sonoma County at a residential camp working with diverse populations and founded The Mycelium Project, an organization dedicated to helping kids and adults through hikes, and nature-based activities. 

 

*We look forward to joining together in person and engaging with youth once again, off-screen and in-nature. However, given the uncertainties of our public health guidelines, our camps will be continually evolving. We will abide but whatever our scientists and medical experts deem as safe for in-person meetings when the camps start this summer. At this time we are limiting the sign-ups for this camp to no more than 12 participants.

6/21 Creek Camp 8-12, 9-3pm

7/6  Creek Camp 8-12, 9-3pm 

7/19 Creek Camp 8-12, 9-3pm

7/26 Creek Camp 8-12, 9-3pm

Jul
31
Sat
Creekside Nature Hike @ Sugarloaf Ridge State Park
Jul 31 @ 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 outside the Visitor Center. Free. As of June 15, RSVP is not needed. Parking charges apply.

Aug
7
Sat
Creekside Nature Hike @ Sugarloaf Ridge State Park
Aug 7 @ 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 outside the Visitor Center. Free. As of June 15, RSVP is not needed. Parking charges apply.

RFO Public Star Party @ Robert Ferguson Observatory
Aug 7 @ 8:00 pm – 11:30 pm

The Robert Ferguson Observatory (RFO) is open to the public at least once a month, usually on a Saturday near the time of the New Moon.

Star Parties: Presentations on astronomical topics are given in the classroom throughout the course of the evening. Starting at dusk, the Observatory’s three main telescopes are open for your viewing. Docents set up additional telescopes in front of the building. Friendly and knowledgeable docents are available to answer your questions.

FAQs:

  1. Map and Directions
  2. When to arrive: We keep the observatory open as long as there are visitors, but you must arrive within 3 hours after start time to ensure that we remain open for you. Summer Star Parties begin with tours and presentations until it’s dark enough for observing.
  3. Bring warm clothing, even in summer—observing is done outdoors.
  4. There is a short walk from the parking area to the Observatory and you may wish to bring a small flashlight.
  5. White Light: No white lights should be used after dark; the observatory is a red-light-only area to protect everyone’s night vision. We will supply red cellophane to cover flashlights. Please note:
    ◦ Bring a SMALL flashlight (large camp lanterns, light sticks, etc., cannot be adequately covered by red cellophane).
    ◦ Cell phones or cell-phone flashlights are acceptable but must be covered in red cellophane. (No cell service at the observatory).
    ◦ Some head lamps are difficult to cover with red cellophane. Once covered, head lamps should be worn around the neck or used pointing down as they are usually very bright at eye level.
    ◦ Red flashlights are available for $5 at the observatory.
  6. Alcohol is prohibited on Observatory grounds.
  7. The Observatory is not open to the public except for scheduled events.

Classroom presentations are always offered on Star Party nights even if the weather is poor. For current conditions call the observatory at (707)833-6979.
For more info please visit the Robert Ferguson Observatory website.

Aug
12
Thu
Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Aug 12 @ 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 State Parks volunteer, signup in Volgistics.

Otherwise, sign up here.

Aug
14
Sat
Creekside Nature Hike @ Sugarloaf Ridge State Park
Aug 14 @ 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 outside the Visitor Center. Free. As of June 15, RSVP is not needed. Parking charges apply.

Senderos: Animales en Sugarloaf @ Sugarloaf Ridge State Park
Aug 14 @ 10:00 am – 12:00 pm

Sábado 14 de agosto, 10:00am-12:00pm
¡Está invitado a nuestra aventura de Animales! Caminaremos el sendero Creekside Nature en busca de señales y huellas que los animales hacen. Aprendemos sobre la dieta y el comportamiento de algunos animales que viven en el parque, al igual que la importancia de la biodiversidad en una ecosistema sano. Los niños tendrán la oportunidad de hacer su propia guía de señales de animales. Esté preparado para caminar aproximadamente una milla. Nos reuniremos afuera del centro de visitantes.
El evento y estacionamiento son gratuitos pero requiere registración. Familias de grupos subrepresentados son especialmente invitados.
Por favor vista calzado adecuado, capas, y traiga suficiente agua. Esté preparado para seguir órdenes de salud del Condado como el uso de cubrebocas y el distanciamiento personal. Si tiene alguna pregunta contacte a alma@sonomaecologycenter.org
Este evento es respaldado por Route to Parks, una beca de Parks California.

English: Animals in Sugarloaf
Saturday 8/14, 10:00am-12:00pm
Join us on an adventure in search of Animals. We will walk around the Nature Creekside Trail and investigate the signs and tracks that animals make. Let’s learn about animal diet, behavior, and the importance of biodiversity in a healthy ecosystem. Children will have the opportunity to make their own animal tracking guide. Be prepared to walk approximately 1 mile. This is a free event planned around a primarily Spanish speaking audience. Families from underrepresented groups are particularly welcome. Bring plenty of water and wear comfortable shoes and sunscreen or a hat. Please be prepared to wear a mask and follow local health guidelines.
Email alma@sonomaecologycenter.org with your questions.
Senderos Naturales is supported by Route to Parks, a grant of Parks California.

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Read the Sonoma Ecology Center 2020 Impact Report!

Our parent organization, Sonoma Ecology Center, is proud to present 30 years of milestones in the areas of COMMUNITY, LAND, CLIMATE, WATER, and BIODIVERSITY.

READ THE FULL REPORT.

SUGARLOAF BLOG

Sugarloaf’s PPPP (Personal Porta Potty Program)

 Each campsite has its own porta-potty which our dedicated campground Staff cleans between each set of campers.  “The feedback from campers has been overwhelmingly positive”, said campground manager Woody Woodbury. “They like the safety as well as the convenience of having a toilet near their site,” he continued.

read more

FROM THE ECOLOGY BLOG

  • Some Cool Finds During City Nature Challenge
    City Nature Challenge is an international event that takes place on the same weekend each year to encourage scientists and citizen scientists to document on the iNaturalist app any and all species they see in nature. Team Sugarloaf has participated in it for the past several years. Last year the pandemic interrupted a continuous run, and managers of Sonoma Ecology Center— which manages Sugarloaf—gave careful consideration to participating this year. “This year we decided to go whole hog with it,” says Dr. Dan Levitis, Community Science Coordinator. And they were rewarded with several incredible finds. In a remote northern part of the north side of Mt. Hood, a dozen naturalists spread out in teams to observe parts of the McCormick Addition of Sugarloaf Ridge State Park that burned in the 2020 Glass Fire.  “It burned quite hot last fall,” Dan says. “We found a lot of damage, but a ton of biodiversity coming back, including plants we hadn’t seen in a long time; fire followers, and some things that were not previously documented in the park.”… Read more »
  • Honoring Earth, Honoring Volunteers
    Sonoma Ecology Center and our illustrious, dedicated volunteers help us honor Earth every day, and we’d like to thank them for helping us take care of little patches of our planet right here in Sonoma Valley. In partnership with One Tree Planted and Simply Solar, volunteers and our restoration crew helped clear out invasive broom plants on Sonoma Creek. Scotch and French brooms were introduced in the 1800s and grow well here, so much so that they choke out native plants. When they die they create fire fuel ladders that are highly flammable.  Over at Nathanson Creek another great crew led by Sonoma Ecology Center’s “Earthling” teen volunteer group cleaned up trash and learned about pollinators, plants and ways to protect our planet. Our trail restoration work at Sugarloaf Ridge State Park continues with volunteers repairing steps and bridges, clearing debris, installing signs and generally taking care of the park’s trails. Large portions of Sugarloaf burned in 2020’s Glass Fire, and other portions — some overlapping — burned in the 2017 Sonoma Complex Fires. With… Read more »
  • A message from NEST student, Alexandra Huerta
    As someone who has always admired the grandeur of the outdoors and has an ever-present curiosity for exploring, understanding and preserving our natural world, studying environmental science just made sense. As a Southern California native, my summer days as a youth were full of salty hair, sun kissed skin and bare feet whenever possible. My pursuit of higher education took me to Penn State, where I was surrounded by an entirely new population of research driven, hard-working classmates. My time at Penn State not only offered me a well-rounded education, but it also gave me the opportunity to experience beautiful changing seasons, meet people from completely new and different walks of life, and taught me the value and importance of a sense of community. After graduating from Penn State, I moved back to California, eventually finding my way up the coast to Sonoma Valley. Sonoma has so much to offer us, teeming with natural beauty that we are able to appreciate all thanks to efforts from local conservation groups, local agriculture that provides us with farm fresh food… Read more »
  • New Ecological Scientist Training Program
    A message from Dr. Dan Levitis, Community Science Coordinator Sonoma Ecology Center is committed to helping diverse scientists overcome the barriers our persistently unlevel world puts in their paths. This is what motivates our New Ecological Scientist Training (NEST). NEST is an ecological research course that is not designed to teach ecology, but to equip […] Read more »
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