photo of Red Maid flower

Stories

A closer look at what we're doing to help plants, animals and people thrive.

 

Common Oak Identification

As we move into autumn, you may notice the return of acorns when out hiking in the preserves or walking around town. Here are some tips to help you identify four commonly found oaks. 

Next Steps for Neighboring Quarry

The Lehigh Cement Plant announced all kiln operations were suspended in 2020, and recently signed an agreement with the county, permanently ending cement production. The quarry, which shares a border with Rancho San Antonio Open Space Preserve, has been mined and supplied c

Interested in a Career as a Ranger?

Midpen rangers are generalist rangers who perform a wide variety of functions including: Engaging the public through interpretation, patrolling Midpen preserves and enforcing regulations, responding to medical emergencies, wildland fires and search and rescue incidents, performi

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