Office holiday closure

Our offices will be closed Monday, May 26 in observation of Memorial Day. Your preserves remain open!

What's New

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With scientists warning that humanity is causing the sixth mass-extinction of Earth’s history, it’s not often we hear uplifting stories about the success of an endangered species. And more seldom do such stories take place right in our own backyard. This is the case, however, for the white-tailed kite, a once highly endangered bird – and even locally extinct, in some areas. Much to our excitement, the white-tailed kite is defying the odds and making quite the resurgence in Santa Clara Valley.
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Longer days and warmer weather make spring and summer some of the best times of year to enjoy the outdoors! Before heading outside this season, check out these warm weather outdoor tips to help you have safe and enjoyable experiences in nature all season long.
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Outdoor activities provide opportunities to spend time with loved ones, appreciate nature and get some healthy exercise. If you’re new to hiking, this guide from the Santa Clara Valley Open Space Authority can help get you started. Here are some quick tips to ensure your safety on the trails and make for a great day...
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After over a century of disruption and human development, Laguna Seca, San Jose’s largest remaining freshwater wetland, is one step closer to becoming more like the productive wetland it was in the past. Where the Laguna Seca was once completely dry, we are seeing the groundwater levels rise once again.
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Nearly eight months after the Crews Fire burned entirely through the Open Space Authority’s Diablo Foothills preserve, we are seeing new life appear yet again.
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In the San Martin region of Santa Clara County sits Frantoio Grove, a family-owned and operated specialty olive oil company that just turned 15 years old. The 30-acre grove is part of a roughly 97-acre property that is now permanently protected for agriculture through an Agricultural Conservation Easement (ACE). The land, initially anticipated to become a subdivision development, will now remain productive farmland and protected from development.
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Everyone deserves access to nature! We compiled some of our favorite paved, wheelchair-, walker- and stroller-accessible trails in Authority-funded parks and other open spaces across Santa Clara County.