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Glen Oaks Ranch Walk

People follow trail through oak woodlands

Join Sonoma Land Trust and Ag + Open Space for a hike at Glen Oaks Ranch — an historic ranch located in Sonoma Valley near Glen Ellen. We’ll take a look at some of the early blooming wildflowers, and observe the regrowth post-2017 fires. This 234-acre preserve was donated to Sonoma …

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Advisory Committee Meeting

The March  26, 2025 Sonoma County Ag + Open Space Advisory Committee meeting will be held in person at Ag + Open Space’s office located at 747 Mendocino Avenue, Santa Rosa, CA. The public may also participate virtually through Zoom. Please review the agenda here >> Members of the public …

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Summit Saturday East Slope Sonoma Mountain Trek

Two men stand on rock outcropping overlooking grassland

If you’re up for a challenge and love stunning views, this hike is for you! Join Sonoma Ecology Center docents, in partnership with Sonoma County Regional Parks and Sonoma County County Agricultural Preservation and Open Space District (Sonoma County Ag + Open Space) for a scenic and invigorating hike, part …

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Advisory Committee Meeting

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Fiscal Oversight Commission Meeting

The Fiscal Oversight Commission Meeting will be held in person and online through Zoom. Members of the public may attend the meeting in person at the Ag + Open Space office or online. The April 2, 2026  Fiscal Oversight Commission Meeting will be held in person and online through Zoom. Members of the public …

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Wildflower Walk at Van Hoosear Preserve – April 4

People in a wildflower field taking photographs

Join Sonoma Ecology Center and Sonoma County Ag + Open Space for our annual spring hikes at Van Hoosear Wildflower Preserve, a stunning 162-acre protected area renowned for its incredible biodiversity and vibrant wildflower displays. This exclusive opportunity allows participants to experience one of Sonoma Valley’s most treasured landscapes, guided …

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Spring Wildflowers at Sonoma Mountain Vernal Pools

Open field of wildflowers and grasslands. Oak trees in background. Blue skies with clouds

Join Sonoma Land Trust and Sonoma County Ag + Open Space for a springtime wildflower walk at the Sonoma Mountain Vernal Pools. This 174-acre preserve protects rare and threatened plant species and conserves a significant portion of a wildlife corridor. We will walk through the oak woodlands and meadows to …

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