Spring 2026 California Naturalist Course

This 5-week UC-certified course explores our local ecology, engages you in citizen science, and allows you to share your knowledge with others. The 40-hour course combines a science curriculum with guest lecturers, field trips, and project-based learning to explore the unique ecology and natural history of the Inner Coastal Range of Sonoma and Napa. If you enjoy exploring and learning about our local ecology, engaging in citizen science, and sharing your knowledge with others, this program is for you!