• Santa Ysabel Open Space Preserve East Wildflower Hike

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

    Presented by the San Diego River Park Foundation and County of San Diego Parks and Recreation Join Senior Program Manager Natalie Borchardt and County Park Ranger Doug Andrews for a scenic hike as we explore the oak woodlands and native grasslands near the source of the San Diego River at Santa Ysabel East Open Space...

  • River Days Grant Park Community Stewards

    2310 Camino Del Rio North San Diego, CA 92108 2310 Camino Del Rio North

    Get outside, connect with your community, and help bring a new eco-park to life! Join us for a fun and meaningful morning at Grant Park during River Days, where you’ll enjoy the fresh air, meet great people, and make a real difference. This beautiful new nature education center and park is providing free STEAM and...

  • Community River Cleanup

    Looking for a hands-on volunteer opportunity that supports a healthy river and connects you with like-minded people? Join our core volunteer team for a San Diego River clean-up and help remove trash that threatens wildlife, water quality, and public spaces. Each year, volunteers remove more than 200,000 pounds of trash from the River—work that directly...

  • River Days – Hike With a Purpose: BioBlitz at Mildred Falls

    Eagle Peak Ranch 5030 Eagle Peak Rd, Julian, CA, United States

    Contribute to science and explore Mildred Falls for our Bioblitz! This event celebrates the exceptional biodiversity of Mildred Falls while also encouraging actions to protect it. We will be walking around the preserve, documenting the area's flora and fauna via iNaturalist. Learn how to collect essential species information using your smartphone. We are excited to have...

  • River Days and Nature Nights: Bat and Moth Event

    Grant Park 2310 Camino Del Rio North, San Diego, CA, United States

    Please join us for an exciting evening adventure along the river as we listen and look for bats. During this guided walk, we will learn about bat behavior and use bioacoustic equipment to monitor their echolocation calls. We will also set up a UV light to attract and observe moths and other nocturnal insects. REGISTER...

  • Bird Walk at Grant Park

    2310 Camino Del Rio North San Diego, CA 92108 2310 Camino Del Rio North

    Join bird experts Cindy Pencek and Ian Swirka for a guided walk along the San Diego River to observe and count the diverse bird species that call this area home. This relaxing, educational outing offers a chance to connect with nature while supporting conservation by recording observations on iNaturalist. Participants will also have the opportunity...

  • San Diego River Mouth Habitat Restoration

    5156 W Point Loma Blvd 5156 W Point Loma Blvd, San Diego, United States

    Join us for a hands-on volunteer opportunity to explore the San Diego River Estuary and support the restoration of this sensitive and vital habitat. Volunteers will help remove invasive plants, improving conditions for native wildlife and pollinators, enhancing water quality, reducing erosion, and protecting endangered species such as the California Least Tern. Your efforts will...