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Science Saturdays

Looking for a fun way to spend time with your family? Head to the EcoCenter! Each Saturday our trained naturalists and partners offer a hands-on, nature based, fun event that is perfect for young kids to adults.

Download the Science Saturday Flyer

May Science Saturdays

The Hidden World of Plankton

May 7 ¦ 12:00pm – 2:00pm

As the base of the ocean’s food web, healthy plankton populations ensure there’s always enough food to go around. Investigate the role these intriguing organisms play in the food web with EcoCenter staff. Then, get hands-on with a plankton tow and use microscopes to take a peek into the secret world of some of nature’s most important and beautiful creatures.

Get Down and Dirty with our Native Plant Garden

May 14 ¦ 9:00 am—12:00 pm

Join staff from the EcoCenter and SF Recreation and Parks for this hands-on Science Saturday caring for the native plants that call Heron’s Head Park home. Come dressed in comfortable clothes and get ready to get dirty as we learn to identify local plants and help to remove invasive species.

Community Clean Team Giant Sweep Event

May 21 ¦ 9:00am – 1:00pm

Join the San Francisco Department of Public Works to tackle planting, cleaning, and greening projects all over our community. Lunch will be provided with RSVP; for more information visit After lunch, drop-in to the EcoCenter for a tour of our sustainable building. Please bring a reusable water bottle and appropriate clothing for working outside.

Heron’s Head Park Trail Walk

May 28 ¦ 10:00 am-12:00 pm

In collaboration with SF Recreation and Parks and the Healthy Parks, Healthy People initiative, join professional guides on an interpretive walk to admire the San Francisco waterfront as we follow a short section of the Bay Trail. This low impact walk is great for socializing and bird watching. The walk will begin in the mini-park next to the Heron’s Head Park parking lot at 10:00 am. Don’t forget to bring water, hats, and sunscreen!