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Plan your day

WHO MAY ATTEND? All children and teenagers are invited! While most exhibitors have hands-on activities for 9 to 12 year olds, all children, teenagers, and adults are welcome to attend. 

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DATE: Saturday, March 8, 2025

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LOCATION: Sonoma County Fairgrounds, 1350 Bennett Valley Road, Santa Rosa, CA 95404

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ADMISSION/TICKETS: The festival is FREE; tickets are not needed.

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TIME: Gates open at 10 a.m. Exhibits close at 4 p.m.

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PARKING: FREE to attendees of North Bay Science Discovery Day. From Highway 101, go directly east on Bennett Valley Road to the next block past the fairgrounds. Turn right into the parking lot. Park in the main lot and enter through the main gates! 

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FOOD: Outside food IS allowed. Several food trucks will be on site with food available for purchase. Picnic tables and lawn space are available for eating lunch. Food vendor lunch lines in the past have been long, so consider bringing lunch, beverages, and snacks so that you don't have to spend a long time in a food line. 

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QUESTIONS? Look for white lab coats! These volunteers are able to answer questions. Spanish speaking volunteers wear orange "se habla Espanol" sashes. 

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ACCESSIBILITY AND ACCOMODATIONS: We strive to ensure the event is accessible to all persons, regardless of any physical or mental impairments or disabilities. Upon request and when feasible, we will make efforts to provide reasonable accommodations to ensure the venue and program materials are accessible. For example, we may be able to provide language interpreters, sign-language interpreters, or other accommodations. To request accommodations, please contact Steven Worker at smworker@ucanr.edu at least two weeks before the event. 

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The North Bay Science Discovery Day is a free community festival bringing together 100+ organizations, supported by 70 sponsors and 150 volunteers,
to spark young people’s wonder and curiosity about science, technology, engineering, and mathematics (STEM);
to strengthen the San Francisco North Bay’s STEM learning ecosystem; and
to connect the STEM industry, education, and public sectors to deepen and sustain young people’s STEM learning. 

Next Event: ​Saturday, March 7, 2026
10:00 a.m. to 4:00 p.m.

Sonoma County Fairgrounds
Santa Rosa, CA
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A public education event organized by the University of California, Division of Agriculture and Natural Resources 4-H Youth Development Program.  

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