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!

Sugarloaf Ridge State Park is closed until further notice due to the impacts of the Glass fire.

Campsites at Sugarloaf Ridge State Park are closed.  

Due to COVID-19, campsites rules and procedures in place designed to keep visitors and staff safe, and social distancing protocols are still enforced throughout the park. Here’s how camping will be different at Sugarloaf Campground:

  1. The following sites remain closed: 8, 13, 17, 35, 38.
  2. Only two cars per site, with one family group and no outside visitors, are allowed.
  3. Each site will have its own portable toilet (porta potty) for the exclusive use of that site. The toilets will be cleaned upon campsite turnover.
  4. We encourage visitors in self-contained RVs to make use of their own facilities rather than the park facilities.
  5. Some flush toilet facilities and showers remain open and our staff cleans them 3-4 times per day.
  6. We recommend bringing your own soap along with cleaning supplies such as wipes.
  7. The tent rental program is open our staff will disinfect tents between each use.

Reservations for Sugarloaf campsites may be made 48 hours in advance here.

Reserve a tent here

For same-day first-come-first-served reservations, please call the park at 10am on the day you want to arrive at 707-833-6084 or 5712.

We are providing additional cleaning services free of charge. However, we are asking for a $10 donation per day—only from those that are able—to cover our additional cleaning and porta potty costs.

We ask all park visitors to adhere to the Sonoma County health ordinance guidelines, which require the use of masks or face coverings when unable to keep a minimum distance of six feet from others not in your immediate household.

Anyone with coronavirus symptoms (commonly a fever, dry cough, or shortness of breath) should not come. Those with reservations may cancel with no penalty. Read more about coronavirus symptoms.

Sugarloaf is temporarily closed for day use.

Sugarloaf Ridge State Park is closed for day-use parking and camping due to the impact of The Glass Fire. During normal operations, the restrooms are open and are being disinfected 3-4 times per day.

The visitors center,  picnic area, and the campground remain closed.

To reduce interactions at our park, please purchase your day pass or annual pass online before you arrive.

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.


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.


We have resumed small 12 person social distanced events starting on June 27.   Please see our calendar for details.  

Additional Information

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


CANCELED: Hiking for Fitness “Maintenance” Hike @ Sugarloaf Ridge State Park
Oct 24 @ 9:00 am
Join our Hiking for Fitness “graduates” on this free, Intermediate Fitness Hike.
For a complete schedule– including routes, mileage and elevation gain–visit: https://sugarloafpark.org/events/hiking-for-fitness-program/ [click on the “Maintenance Hikes – 2020” tab].

May and June hikes meet at 8AM instead of 9AM.

RSVP is a must and limited to 10 participants.
CANCELED: Full Moon Hike @ Sugarloaf Ridge State Park
Oct 30 @ 4:30 pm – 8:00 pm

Bring a flashlight and your sense of wonder as you explore the park after dark. This hike has two routes and heads up either to Bald Mountain or to the viewpoint on the Vista Trail, where we will see the moon rise over the Mayacamas and the sun set over Sonoma Valley.
The Bald Mountain route starts at 4:30PM and meets at the main parking lot. It is strenuous and will cover 6.5 miles with 1500 plus of vertical with some steep sections.
The Vista Trail route is a moderate-to-strenuous 4-mile hike with 700ft of elevation. It begins at 4:45PM from the White Barn.
Be at the meeting location at least 15 minutes prior to the start of the hike for a prompt departure. Bring your mask, water, snacks, and extra layers for the evening. Parking fees and social distancing apply.

Tickets available at https://sec.simpletix.com/e/56343

Family Hike @ Sugarloaf Ridge State Park
Nov 11 @ 10:00 am – 12:00 pm

Come to the park for a peaceful hike through the woods! Join our Docents on this fun family hike that is good for all ages. During this 2-mile hike with 400-ft elevation gain, you will learn about Sugarloaf Park, its plants, animals, and history. Weather permitting, the hike will begin and end at the Visitor Center. This is a free event but parking fees do apply. Please RSVP to alma at sonomaecologycenter.org as we are limiting the walk to 12 attendees.

Hiking for Fitness– Maintenance Hikes @ Sugarloaf Ridge State Park
Nov 14 @ 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. RSVP is a must and will be limited to 10 participants per route. Parking fees apply. Maintenance Hikes are every second and fourth Saturday of the month.

11/9 – 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
11/23 – 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
12/14 – route A: Brushy Peaks to Neptune picnic table: 4.3 mi, 650 ft elevation, meets @ White Barn lot
route B: Brushy Peaks to Grey Pine: 6 mi, 1140 ft elevation, meets @ White Barn lot
12/28 – 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
Yoga Hike – session 3 @ Sugarloaf Ridge State Park
Nov 14 @ 10:00 am – 12:30 pm

Susan Topf’s Yoga Hike balances a mix of easy hiking and gentle yoga postures, breath work and guided meditation. No mat necessary. Please wear weather-appropriate clothing to feel comfortable being in a natural setting and bring water (as needed) and your mask. Route varies on weather conditions and group interest that typically covers 2-3 miles of varied terrain. Cost is $25 and includes parking if registered in advance online. Purchase the yoga pass for each group of 3 sessions this year and save $15. All levels and ages welcome. Meet at the Visitor’s Center unless otherwise noted in confirmation email prior to the hike. Limited to 12 participants.

Sonoma County Resident? 
Free with 2020 ParkRx from participating Sonoma County Medical Provider. Click here for ParkRx info.

Tickets –https://sec.simpletix.com/e/57882

CANCELED: RFO Public Star Party @ Robert Ferguson Observatory
Nov 14 @ 6:00 pm – 9:00 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.


  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.

Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Nov 19 @ 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. 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

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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



Zoom from the Park with New Internet Service

Thanks to an upgrade at Sugarloaf Ridge State Park, visitors can now attend school or work from the great outdoors! In order to help local families work and study safely, Sugarloaf has installed a new high-speed internet connection from our Visitor Center, and all are...

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.

COVID-19 and Sugarloaf

Sugarloaf Ridge State Park, nestled in Kenwood, has been closed since March 24th due to Covid-19 in order to follow CDC guidelines and precautions. Staff here are still maintaining the park and are more than ready to welcome members and the community back once it is...

A Family Week in Sonoma Wine Country

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Taking Stock of Our Fire-Prone Environment

Gov. Gavin Newsom recently told the New York Times that California is facing “the most destructive fires in our state’s history.” It’s clear that we’ve entered a new era, with fires burning hotter, more destructively, and over a longer season. Locally, that has meant...

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