Loading view. Events Search and Views Navigation Search Enter Keyword. Search for Events by Keyword. Find Events Hide filters Event Views Navigation Map List Day Map Today Upcoming Upcoming Select date. Filters Changing any of the form inputs will cause the list of events to refresh with the filtered results. Done Clear Location: Open filter Close filter Location Central San Diego Coastal East County Headwaters Host/Partner: Open filter Close filter Host/Partner City of San Diego Open Space Rangers City of San Diego Parks and Recreation Earth Discovery Institute Friends of Famosa Slough Friends of the Point Loma Native Plant Garden I Love a Clean San Diego San Diego Coastkeeper San Diego County Parks & Recreation San Diego Fly Fishers Club San Diego Plein Air Painters Meetup San Diego River Park Foundation Santee Historical Society Surfrider Foundation United States Forest Service Activity Type: Open filter Close filter Activity Type This event does not have a mappable address. View Event Details May 11 8:30 am - 10:00 am Guided River Walk with the CEO Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 8:30 am - 12:30 pm Paint Out at Old Mission Dam Old Mission Dam 10164 Father Junipero Serra Trail, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 8:30 am - 12:30 pm River Days Educational Arts and Crafts Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions Event Details Get Directions May 11 9:00 am - 11:00 am Navajo Canyon Habitat Restoration Navajo Canyon 6511 Eldridge St, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 9:00 am - 11:00 am ILACSD Mast Park Clean-Up Mast Park 9125 Carlton Hills Blvd, Santee Event Details Get Directions RSVP Now Event Details Get Directions May 11 9:00 am - 12:00 pm Famosa Slough Work Event Famosa Slough 4275 W Point Loma Blvd, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 9:00 am - 12:00 pm Ocean Beach Cleanup – River Days with Surfrider & Coastkeeper Dog Beach in Ocean Beach 5156 W Point Loma Blvd, San Diego Event Details Get Directions Event Details Get Directions May 11 9:30 am - 12:00 pm Restore Mission Valley Riparian Habitat Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 10:00 am - 12:00 pm Mission Valley Kayak Clean-Up Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 10:00 am - 4:00 pm Three Sisters Waterfall Hike with USFS and SDRPF Three Sisters Falls Boulder Creek Rd, Santa Ysabel Event Details Get Directions RSVP Now Event Details Get Directions May 11 10:30 am - 12:00 pm Guided Midday River Walk with the CEO Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 11 10:30 am - 2:00 pm Butterflies and Bees Festival The Historic Santee Barn 9200 N Magnolia Ave, Santee Event Details Get Directions RSVP Now Event Details Get Directions May 11 6:30 pm - 9:30 pm Nature Nights: Bat Walk and Moths River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions Event Details Get Directions May 12 9:00 am - 11:00 am Hike at Crestridge Ecological Reserve (Horsemill Road Trailhead) Crestridge Ecological Reserve 1171 Horsemill Rd, El Cajon Event Details Get Directions Event Details Get Directions May 12 9:00 am - 12:00 pm Free Fly Casting Lesson Lake Murray 5540 Kiowa Drive, La Mesa Event Details Get Directions RSVP Now Event Details Get Directions May 12 9:00 am - 2:00 pm Mother’s Day Open House: Discover Eagle Peak Ranch Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions RSVP Now Event Details Get Directions May 12 10:00 am - 12:00 pm Point Loma Native Plant Garden Open House Point Loma Native Plant Garden 4444 Greene St., San Diego Event Details Get Directions Event Details Get Directions May 13 9:00 am - 12:00 pm Hike With a Purpose: BioBlitz Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions RSVP Now Event Details Get Directions May 13 9:00 am - 3:00 pm Discover Eagle Peak Ranch on Self Guided Hikes Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions RSVP Now Event Details Get Directions May 13 12:00 pm - 2:00 pm Critter Cam Program Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions RSVP Now Event Details Get Directions May 14 9:00 am - 12:00 pm Team IMPACT Fashion Valley Mall 6997 Friars Rd., San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 15 8:00 am - 12:00 pm Preserve Steward Day Boulder Creek Preserve 14741 Boulder Creek Rd, Descanso Event Details Get Directions RSVP Now Event Details Get Directions May 15 9:00 am - 11:00 am Hike at Crestridge Ecological Reserve with the Earth Discovery Institute Crestridge Ecological Reserve 1171 Horsemill Rd, El Cajon Event Details Get Directions RSVP Now Event Details Get Directions May 16 8:00 am - 10:00 am Team ECO River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 16 8:00 am - 12:30 pm Hike at Cuyamaca Rancho State Park (Middle Peak) Los Vaqueros Trailhead 3350301200, Julian Event Details Get Directions Event Details Get Directions May 16 8:30 am - 12:30 pm RiverWatch West SDRPF Office 4891 Pacific Hwy #110, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 17 8:30 am - 12:30 pm RiverWatch East Mast Park 9125 Carlton Hills Blvd, Santee Event Details Get Directions RSVP Now Event Details Get Directions May 18 9:00 am - 11:00 am Bird Walk at Famosa Slough Famosa Slough 4275 W Point Loma Blvd, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 18 9:00 am - 12:00 pm Clean & Green River Trash Clean-Up Cottonwood Grove 2508 Hotel Circle Pl, San Diego +1 more Event Details Get Directions RSVP Now Event Details Get Directions May 18 9:00 am - 12:00 pm Ranger-lead Interpretive Hike at Sycamore Canyon Sycamore Canyon/Goodan Ranch 16281 Sycamore Canyon Road, Poway Event Details Get Directions RSVP Now Event Details Get Directions May 18 9:00 am - 2:00 pm Santa Ysabel Open Space Preserve Wildflower Hike Santa Ysabel East Open Space Preserve 500 Farmer Rd., Julian Event Details Get Directions RSVP Now Event Details Get Directions May 18 9:30 am - 11:30 am River Days: EcoTour & Activities River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions Event Details Get Directions May 19 8:00 am - 9:30 am Bird Survey at Grant Park River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 19 9:00 am - 12:00 pm Free Fly Casting Lessons Lake Murray 5540 Kiowa Drive, La Mesa Event Details Get Directions RSVP Now Event Details Get Directions May 19 9:00 am - 12:00 pm Habitat Restoration at the River Mouth San Diego River Mouth 5156 W Point Loma Blvd, San Diego Event Details Get Directions RSVP Now Event Details Get Directions May 19 9:30 am - 12:00 pm Where the River Meets the Pacific Dog Beach in Ocean Beach 5156 W Point Loma Blvd, San Diego Event Details Get Directions Event Details Get Directions May 19 10:00 am - 12:00 pm Silverwood Tributaries and Riparian Habitat Exploration Silverwood Wildlife Sanctuary, Lakeside 13003 Wildcat Canyon Rd, Lakeside Event Details Get Directions RSVP Now Event Details Get Directions Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file
May 11 8:30 am - 10:00 am Guided River Walk with the CEO Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions
May 11 8:30 am - 12:30 pm Paint Out at Old Mission Dam Old Mission Dam 10164 Father Junipero Serra Trail, San Diego Event Details Get Directions
May 11 8:30 am - 12:30 pm River Days Educational Arts and Crafts Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions
May 11 9:00 am - 11:00 am Navajo Canyon Habitat Restoration Navajo Canyon 6511 Eldridge St, San Diego Event Details Get Directions
May 11 9:00 am - 11:00 am ILACSD Mast Park Clean-Up Mast Park 9125 Carlton Hills Blvd, Santee Event Details Get Directions
May 11 9:00 am - 12:00 pm Famosa Slough Work Event Famosa Slough 4275 W Point Loma Blvd, San Diego Event Details Get Directions
May 11 9:00 am - 12:00 pm Ocean Beach Cleanup – River Days with Surfrider & Coastkeeper Dog Beach in Ocean Beach 5156 W Point Loma Blvd, San Diego Event Details Get Directions
May 11 9:30 am - 12:00 pm Restore Mission Valley Riparian Habitat Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions
May 11 10:00 am - 12:00 pm Mission Valley Kayak Clean-Up Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions
May 11 10:00 am - 4:00 pm Three Sisters Waterfall Hike with USFS and SDRPF Three Sisters Falls Boulder Creek Rd, Santa Ysabel Event Details Get Directions
May 11 10:30 am - 12:00 pm Guided Midday River Walk with the CEO Town and Country River Park Fashion Valley Rd & Riverwalk Dr, San Diego Event Details Get Directions
May 11 10:30 am - 2:00 pm Butterflies and Bees Festival The Historic Santee Barn 9200 N Magnolia Ave, Santee Event Details Get Directions
May 11 6:30 pm - 9:30 pm Nature Nights: Bat Walk and Moths River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions
May 12 9:00 am - 11:00 am Hike at Crestridge Ecological Reserve (Horsemill Road Trailhead) Crestridge Ecological Reserve 1171 Horsemill Rd, El Cajon Event Details Get Directions
May 12 9:00 am - 12:00 pm Free Fly Casting Lesson Lake Murray 5540 Kiowa Drive, La Mesa Event Details Get Directions
May 12 9:00 am - 2:00 pm Mother’s Day Open House: Discover Eagle Peak Ranch Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions
May 12 10:00 am - 12:00 pm Point Loma Native Plant Garden Open House Point Loma Native Plant Garden 4444 Greene St., San Diego Event Details Get Directions
May 13 9:00 am - 12:00 pm Hike With a Purpose: BioBlitz Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions
May 13 9:00 am - 3:00 pm Discover Eagle Peak Ranch on Self Guided Hikes Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions
May 13 12:00 pm - 2:00 pm Critter Cam Program Eagle Peak Ranch 5030 Eagle Peak Rd, Julian Event Details Get Directions
May 14 9:00 am - 12:00 pm Team IMPACT Fashion Valley Mall 6997 Friars Rd., San Diego Event Details Get Directions
May 15 8:00 am - 12:00 pm Preserve Steward Day Boulder Creek Preserve 14741 Boulder Creek Rd, Descanso Event Details Get Directions
May 15 9:00 am - 11:00 am Hike at Crestridge Ecological Reserve with the Earth Discovery Institute Crestridge Ecological Reserve 1171 Horsemill Rd, El Cajon Event Details Get Directions
May 16 8:00 am - 10:00 am Team ECO River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions
May 16 8:00 am - 12:30 pm Hike at Cuyamaca Rancho State Park (Middle Peak) Los Vaqueros Trailhead 3350301200, Julian Event Details Get Directions
May 16 8:30 am - 12:30 pm RiverWatch West SDRPF Office 4891 Pacific Hwy #110, San Diego Event Details Get Directions
May 17 8:30 am - 12:30 pm RiverWatch East Mast Park 9125 Carlton Hills Blvd, Santee Event Details Get Directions
May 18 9:00 am - 11:00 am Bird Walk at Famosa Slough Famosa Slough 4275 W Point Loma Blvd, San Diego Event Details Get Directions
May 18 9:00 am - 12:00 pm Clean & Green River Trash Clean-Up Cottonwood Grove 2508 Hotel Circle Pl, San Diego +1 more Event Details Get Directions
May 18 9:00 am - 12:00 pm Ranger-lead Interpretive Hike at Sycamore Canyon Sycamore Canyon/Goodan Ranch 16281 Sycamore Canyon Road, Poway Event Details Get Directions
May 18 9:00 am - 2:00 pm Santa Ysabel Open Space Preserve Wildflower Hike Santa Ysabel East Open Space Preserve 500 Farmer Rd., Julian Event Details Get Directions
May 18 9:30 am - 11:30 am River Days: EcoTour & Activities River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions
May 19 8:00 am - 9:30 am Bird Survey at Grant Park River Center at Grant Park 2450 Camino Del Rio N, San Diego Event Details Get Directions
May 19 9:00 am - 12:00 pm Free Fly Casting Lessons Lake Murray 5540 Kiowa Drive, La Mesa Event Details Get Directions
May 19 9:00 am - 12:00 pm Habitat Restoration at the River Mouth San Diego River Mouth 5156 W Point Loma Blvd, San Diego Event Details Get Directions
May 19 9:30 am - 12:00 pm Where the River Meets the Pacific Dog Beach in Ocean Beach 5156 W Point Loma Blvd, San Diego Event Details Get Directions
May 19 10:00 am - 12:00 pm Silverwood Tributaries and Riparian Habitat Exploration Silverwood Wildlife Sanctuary, Lakeside 13003 Wildcat Canyon Rd, Lakeside Event Details Get Directions