San Diego River Days

The San Diego River Park Foundation is excited to announce our 22nd Annual San Diego River Days this May 10-18!

Many organizations are coming together to host FREE activities that celebrate the San Diego River as a cultural,

ecological, and recreational treasure. Activities include guided hikes, clean-ups, nature walks, educational opportunities,

and so much more.

Schedule

May 17, 2025

9:00 am - 2:00 pm

Santa Ysabel Open Space Preserve Wildflower Hike

Santa Ysabel East Open Space Preserve 500 Farmer Rd., Julian, CA, United States

Join Senior Program Manager Natalie Borchardt and County Park Ranger Doug Andrews on a hike as we explore the oak woodlands and native grasslands near the source of the San Diego River at the Santa Ysabel East Open Space Preserve.

RSVP Now Free