Sonoma Ecology Center

Since 1990, we’ve worked to increase appreciation and stewardship of Sonoma Valley’s natural heritage and create measurable benefits in areas of land, water, climate change and biodiversity. Supporting our work enables us to move us all towards a better future.

Who We Are

Sonoma Ecology Center works to address challenges related to water supply and quality, open space, rural character, biodiversity, energy, climate change, and a better quality of life for all residents.


We envision a future where people, land, water, and wildlife thrive.


Our mission is to work with our community to identify and lead actions that achieve and sustain ecological health in Sonoma Valley.

How can people, land, water, and wildlife thrive in a fire-adapted landscape?

Watch this video on how we keep people safer while supporting our environment.

Upcoming Events

Senderos: Excursiones (Beginner Hiking for Fitness Series en español) @ Sugarloaf Ridge State Park
Oct 8 @ 9:00 am – 1:00 pm

Participantes en series pasadas disfrutan la vista en un sendero.¡Nuestro programa de excursiones para fomentar la aptitud física está de regreso! Los líderes le guiarán en una series de ocho caminatas semanales para excursionistas principiantes. Cada excursión aumentará en dificultad o duración.

Las excursiones seguirán la mismas rutas que el programa en inglés:

  1. 1ro de octubre: nos reuniremos en el área de estacionamiento del granero blanco y caminaremos al “planeta Urano”. 2.2 millas, 80 pies de elevación.
  2. 8 de octubre: circuito Meadow- Hillside, empezando y terminando en el granero blanco. 3 millas, 250 pies de elevación.
  3. 15 de octubre: caminaremos el circuito del Lago Ralphine en el Parque Regional Spring Lake. El punto de reunión es el estacionamiento donde empieza el sendero Cobblestone (6024 Channel Dr, Santa Rosa, CA, 95409) 4.3 millas, 250 pies de elevación.
  4. 22 de octubre: circuito Stern/ Pony Gate/ Canyon. 3 millas, 500 pies de elevación. Reunirse en el estacionamiento principal.
  5. 29 de octubre: circuito May’s Clearing en el Parque Histórico Estatal Jack London. 3.7 millas, 430 pies de elevación. Reunirse en el estacionamiento superior en 2400 London Ranch Rd, Glen Ellen, CA, 95442.
  6. 5 de noviembre: circuito de los senderos Lower Bald/ Vista/ Meadow. 3.6 millas, 700 pies de elevación. Reunirse en el granero blanco.
  7. 12 de noviembre: mesa de picnic en el planeta Neptuno. 4.3 millas, 640 pies de elevación. Reunirse en el granero blanco.
  8. 19 de noviembre: circuito de los senderos Hillside y Vista. 4.7 millas, mil pies de elevación. Reunirse en el granero blanco.

Usualmente $80, esta series será ofrecida en un descuento de $30. El estacionamiento, usualmente $10 por entrada, será gratuito para aquellos que quieran participar en esta series. A menos a que sea mencionado, todas las excursiones son los sábados, a las nueve de la mañana en el Parque Estatal Sugarloaf Ridge. Para registrarte, llama a Alma al 707 247 5767 entre miércoles y domingo.

Por favor vista capas, calzado adecuado para senderos lodozos y resbaladizos, protección solar, traiga al menos un litro de agua, y si desea, un bocadillo. Las lluvias fuertes cancelan el evento pero continuaremos en llovizna. Si tiene preguntas, o busca más información, por favor comuníquese con Alma o Arsel por correo electrónico (
¡Esperamos verl@s!

Full Moon Hike @ Sugarloaf Ridge State Park
Oct 8 @ 4:30 pm – 9:00 pm

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Bring a flashlight and your sense of wonder as you explore the park after dark. This hike begins at the White Barn and heads up to the viewpoint on Vista Trail or to Bald Mountain, where we will see the moon rise over the Mayacamas and the sun set over Sonoma Valley.

The Bald Mountain route is a strenuous 6.5 miles with 1500+ of vertical and some steep sections (not recommended for under 12). It leaves the White Barn parking lot at 4:30pm.

The Vista Trail route is a moderate-to-strenuous, 4-mile hike with 700ft of elevation and begins at 5:30pm. Not recommended for children under 8.

Tickets are $10 general, and $5 for students, youth (12-17 year olds), Sugarloaf members and Sugarloaf volunteers. Be at the meeting location at least 15 minutes prior to the start of the hike for a prompt departure. Bring water, snacks, and extra layers for the evening. Parking fees apply.


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Columbus Day
Oct 10 all-day

Public holiday

Indigenous Peoples’ Day
Oct 10 all-day

To hide observances, go to Google Calendar Settings > Holidays in United States

Sugarloaf Trail Crew @ Sugarloaf Ridge State Park
Oct 13 @ 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.

2021 Impact Report


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