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Van Hoosear Wildflower Walk 1 9:00 am
Van Hoosear Wildflower Walk 1 @ Van Hoosear Wildflower Preserve
Apr 2 @ 9:00 am – 12:00 pm
Van Hoosear Wildflower Walk 1 @ Van Hoosear Wildflower Preserve
Join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine spring grassland with numerous species in full bloom. The[...]
Creek Exploration Hike 10:00 am
Creek Exploration Hike @ Trione-Annadel State Park
Apr 2 @ 10:00 am – 1:00 pm
Join Volunteer Interpretive Naturalist John Lynch to explore an active creek habitat! Study the creek, riparian habitats and spring wildflowers.  Wildlife and birds will be identified as they are sighted. The route includes approximately 450[...]
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Who’s Singing in the Forest, Canyon or Meadow? Hike 8:00 am
Who’s Singing in the Forest, Canyon or Meadow? Hike @ Trione-Annadel State Park
Apr 8 @ 8:00 am – 11:00 am
Spring is the best time to develop or improve birding skills and Trione-Annadel, with its varied habitats, is an ideal place for “birding.” Learning and practicing birding skills brings more awareness of everything in nature.[...]
Sugar-Hood Shuttle 9:00 am
Sugar-Hood Shuttle @ Sugarloaf Ridge State Park
Apr 8 @ 9:00 am – 11:30 am
Sugar-Hood Shuttle @ Sugarloaf Ridge State Park
Want to do a through hike from Sugarloaf to Hood Mountain or vice versa?  Ride the Sugar-Hood Shuttle. How it works Every half hour our Shuttle will leave from either Sugarloaf Park or Hood Mountain[...]
Van Hoosear Wildflower Walk 2 9:00 am
Van Hoosear Wildflower Walk 2 @ Van Hoosear Wildflower Preserve
Apr 8 @ 9:00 am – 12:00 pm
Van Hoosear Wildflower Walk 2 @ Van Hoosear Wildflower Preserve
Join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine spring grassland with numerous species in full bloom. *This[...]
Beekeeping Seminar and Honey Tasting 10:00 am
Beekeeping Seminar and Honey Tasting @ Sonoma Garden Park
Apr 8 @ 10:00 am – 12:00 pm
Join local beekeeper Bill Wiebalk at Sonoma Garden Park for a lesson in the ancient art of beekeeping. Topics to be discussed include how a bee colony operates, equipment needed to keep bees, how to harvest surplus[...]
RFO Solar Viewing 11:00 am
RFO Solar Viewing @ Robert Ferguson Observatory
Apr 8 @ 11:00 am – 3:00 pm
-Solar Observing:  Time: 11AM – 3PM.  Come and view our closest star and learn about sunspots, prominences, flares and more. We observe with both visible light and radio telescopes.  No Charge. For more info please[...]
RFO Public Star Party 8:00 pm
RFO Public Star Party @ Robert Ferguson Observatory
Apr 8 @ 8:00 pm – Apr 9 @ 12:00 am
RFO Public Star Party @ Robert Ferguson Observatory
-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[...]
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Sugar-Hood Shuttle 9:00 am
Sugar-Hood Shuttle @ Sugarloaf Ridge State Park
Apr 9 @ 9:00 am – 11:30 am
Sugar-Hood Shuttle @ Sugarloaf Ridge State Park
Want to do a through hike from Sugarloaf to Hood Mountain or vice versa?  Ride the Sugar-Hood Shuttle. How it works Every half hour our Shuttle will leave from either Sugarloaf Park or Hood Mountain[...]
Habitat Hike: Meadow/ Serpentine 10:00 am
Habitat Hike: Meadow/ Serpentine @ Sugarloaf Ridge State Park
Apr 9 @ 10:00 am – 12:30 pm
Join our Docent Naturalist Michael Sheffield for a leisurely exploration of the flora and fauna along the Meadow Trail.   This is the second installment of our habitat hikes, with Wildflowers, Serpentine and Riparian Stream habitat and[...]
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Van Hoosear Wildflower Walk 3 9:00 am
Van Hoosear Wildflower Walk 3 @ Van Hoosear Wildflower Preserve
Apr 12 @ 9:00 am – 11:00 am
Van Hoosear Wildflower Walk 3 @ Van Hoosear Wildflower Preserve
Join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine spring grassland with numerous species in full bloom. *This[...]
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Thomas Jefferson’s Birthday
Trail Clearing & Construction Day 9:00 am
Trail Clearing & Construction Day @ Sugarloaf Ridge State Park
Apr 13 @ 9:00 am – 1:00 pm
Help us keep our trails clear of brush and free of mud and rocks and assiste with construction and maintenance projects such as painting and building repair.  Meet at the White Barn at 9:00.  [...]
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Trailwork day at Trione-Annadel State Park 9:00 am
Trailwork day at Trione-Annadel State Park @ Trione-Annadel
Apr 15 @ 9:00 am – 1:00 pm
Non-profit Sonoma County Trails Council offers trail maintenance work days every month in Annadel State Park. Come out and get dirty, give some love to the trails, and learn new skills. The Trails Council supplies: [...]
History Hike: Homestead and Ranches 10:00 am
History Hike: Homestead and Ranches @ Sugarloaf Ridge State Park
Apr 15 @ 10:00 am – 12:30 pm
History Hike: Homestead and Ranches @ Sugarloaf Ridge State Park
Come to the park for the first of our four History Hikes. Before it became a state park, the area that is now Sugarloaf was inhabited by a large number of small farms and ranches, most[...]
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Easter Sunday
Canceled Easter Egg Hunt 9:00 am
Canceled Easter Egg Hunt @ Sugarloaf Ridge State Park
Apr 16 @ 9:00 am – 10:00 am
We are deeply sorry but we will not be having an Easter egg hunt this year. Check back again next year.
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RFO: The Night Sky Classes 7:30 pm
RFO: The Night Sky Classes @ Robert Ferguson Observatory
Apr 17 @ 7:30 pm – 9:00 pm
RFO: The Night Sky Classes @ Robert Ferguson Observatory
The three seasonal series (six classes each) are designed for everyone from total beginners to experienced amateur observers. Whether you want to learn the constellations or have a telescope and want to expand your knowledge[...]
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Earth Day Work Day At Sugarloaf 9:00 am
Earth Day Work Day At Sugarloaf @ Sugarloaf Ridge State Park
Apr 22 @ 9:00 am – 1:00 pm
Join Team Sugarloaf and the Cal Parks Foundation for an Earth Day workday to repair lower Brushy Peaks trail.  We need a big crew that day so sign up early sign up here.   http://www.calparks.org/help/earth-day  
Nathanson Creek Volunteer Cleanup 9:00 am
Nathanson Creek Volunteer Cleanup @ Nathanson Creek Preserve
Apr 22 @ 9:00 am – 12:00 pm
For some people, Earth Day is best spent outside with neighbors, doing what we can to make our environment cleaner and healthier. If this describes you, then we have the perfect Earth Day event planned. Please join[...]
Van Hoosear Wildflower Walk: Family Friendly Earth Day 9:00 am
Van Hoosear Wildflower Walk: Family Friendly Earth Day @ Van Hoosear Wildflower Preserve
Apr 22 @ 9:00 am – 11:00 am
Van Hoosear Wildflower Walk: Family Friendly Earth Day @ Van Hoosear Wildflower Preserve
This Earth Day, bring the whole family out to join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine[...]
Volunteer Clean-up at Annadel 9:00 am
Volunteer Clean-up at Annadel @ Trione-Annadel State Park
Apr 22 @ 9:00 am – 1:00 pm
Celebrate Earth Day by giving back by picking up! Volunteer Hike Leader Chad Carlson leads you on a hike for a picnic lunch at Lake Ilsanjo. Along the way, pick up litter and share ways[...]
RFO Solar Viewing 11:00 am
RFO Solar Viewing @ Robert Ferguson Observatory
Apr 22 @ 11:00 am – 3:00 pm
-Solar Observing:  Time: 11AM – 3PM.  Come and view our closest star and learn about sunspots, prominences, flares and more. We observe with both visible light and radio telescopes.  No Charge. For more info please[...]
RFO Public Star Party 8:00 pm
RFO Public Star Party @ Robert Ferguson Observatory
Apr 22 @ 8:00 pm – Apr 23 @ 12:00 am
RFO Public Star Party @ Robert Ferguson Observatory
-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[...]
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Forest Therapy: A Doctor’s Perspective 6:00 pm
Forest Therapy: A Doctor’s Perspective @ Sugarloaf Ridge State Park
Apr 24 @ 6:00 pm – 7:00 pm
Learn about Forest Therapy and the medical science behind the practice.  Dr. Hackenmiller, a board certified Gynecologist and graduate of Dr. Andrew Wiels Integrative Medical program is a leader in bringing Forest Therapy to the[...]
RFO: The Night Sky Classes 7:30 pm
RFO: The Night Sky Classes @ Robert Ferguson Observatory
Apr 24 @ 7:30 pm – 9:00 pm
RFO: The Night Sky Classes @ Robert Ferguson Observatory
The three seasonal series (six classes each) are designed for everyone from total beginners to experienced amateur observers. Whether you want to learn the constellations or have a telescope and want to expand your knowledge[...]
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Van Hoosear Wildflower Walk 5 9:00 am
Van Hoosear Wildflower Walk 5 @ Van Hoosear Wildflower Preserve
Apr 26 @ 9:00 am – 12:00 pm
Van Hoosear Wildflower Walk 5 @ Van Hoosear Wildflower Preserve
Join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine spring grassland with numerous species in full bloom. The[...]
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Trail Clearing & Construction Day 9:00 am
Trail Clearing & Construction Day @ Sugarloaf Ridge State Park
Apr 27 @ 9:00 am – 1:00 pm
Help us keep our trails clear of brush and free of mud and rocks and assiste with construction and maintenance projects such as painting and building repair.  Meet at the White Barn at 9:00.  [...]
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Headwaters to Headwaters: A Mayacamas Hike Extravaganza 9:00 am
Headwaters to Headwaters: A Mayacamas Hike Extravaganza @ Sugarloaf Ridge State Park - Observatory
Apr 29 @ 9:00 am – 5:00 pm
Headwaters to Headwaters: A Mayacamas Hike Extravaganza @ Sugarloaf Ridge State Park - Observatory
Join us for a very rare opportunity to hike from Hood Mountain Regional Park to Sugarloaf Ridge State Park via the historic McCormick Ranch section of Sugarloaf. This event will be a grand tour of[...]
Planet Walk Hike 10:00 am
Planet Walk Hike @ Sugarloaf Ridge State Park
Apr 29 @ 10:00 am – 2:00 pm
Please join us for a guided hike along the Planet Walk with RFO docents. Along the way they will speak about each planet in our solar system, with chances to view local wildflowers along the[...]
Day of the Child / Día del Niño 11:00 am
Day of the Child / Día del Niño @ Maxwell Farms Regional Park
Apr 29 @ 11:00 am – 3:00 pm
(Para Español: http://sonomacountyee.org/wp-content/uploads/2016/02/2017-Sonoma-County-Day-of-the-Child.pdf.) Celebrate the children in your life during Day of the Child / Día del Niño, an annual family event offering fun-filled, bilingual nature activities for all ages! Join the Sonoma Ecology Center along with La Luz,[...]
RFO Solar Viewing 11:00 am
RFO Solar Viewing @ Robert Ferguson Observatory
Apr 29 @ 11:00 am – 3:00 pm
-Solar Observing:  Time: 11AM – 3PM.  Come and view our closest star and learn about sunspots, prominences, flares and more. We observe with both visible light and radio telescopes.  No Charge. For more info please[...]
RFO Public Star Party 8:00 pm
RFO Public Star Party @ Robert Ferguson Observatory
Apr 29 @ 8:00 pm – Apr 30 @ 12:00 am
RFO Public Star Party @ Robert Ferguson Observatory
-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[...]
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Van Hoosear Wildflower Walk 6 9:00 am
Van Hoosear Wildflower Walk 6 @ Van Hoosear Wildflower Preserve
Apr 30 @ 9:00 am – 11:00 am
Van Hoosear Wildflower Walk 6 @ Van Hoosear Wildflower Preserve
Join Sonoma Ecology Center naturalists at Van Hoosear Wildflower Preserve for one of the most spectacular wildflower displays in all of Sonoma County. Experience a pristine spring grassland with numerous species in full bloom. The[...]