Calendar

	April 2026
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1 View 8 More	2 Hike with a Purpose: Headwaters Assessment, Virtual Training - Thursday, 4/2/26 Research 5:30 pm- 6:30 pm Our Headwaters Assessments are an annual survey in which volunteers explore the headwaters of the San Diego River and collect data for our organization and other land managers, such as the U.S. Forest Service. Similar to last year, we are focusing ou... Hike with a Purp... Hike with a Purpose: Headwaters Assessment, Virtual Training - Thursday, 4/2/26 Grant Park Community Stewards - Thursday, 4/2/2026 Grant Park 8 AM - 10 AM Get outside, connect with an amazing community, and help bring a new eco-park to life! Join us for a fun and fulfilling morning at Grant Park, where you’ll connect with others, enjoy the fresh air, and make a real difference. This future nature... Grant Park Commu... Grant Park Community Stewards - Thursday, 4/2/2026 View 8 More	3 View 8 More	4 Mission Valley Garden Club: Create a Monarch Garden - Saturday, 4/4/2026 Grant Park 9 am - 11 am 20 Meet Neighbors ~ Learn ~ Help Grow a Neighborhood Garden Join this special Garden Club event to help create a beautiful Monarch Garden at Grant Park! p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px 'Helvetica Neue'} p.p2 {margin... Mission Valley G... Mission Valley Garden Club: Create a Monarch Garden - Saturday, 4/4/2026 Hike with a Purpose: Headwaters Assessment, In-person Training - Saturday, 4/4/26 Research 9 am - 11 am 5 Welcome to our annual Headwaters Assessment, where volunteers venture into the headwaters of the San Diego River to gather valuable data for our organization and other land managers! This year, our focus is on documenting the Southwestern pond turtle... Hike with a Purp... Hike with a Purpose: Headwaters Assessment, In-person Training - Saturday, 4/4/26 Outreach Volunteer Team ✨ Private Events 10:30am - 3:30pm 3 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More
5 View 8 More	6 View 8 More	7 San Diego River Habitat Restoration - Tuesday, 4/7/2026 Habitat Restoration 8am - 11am 19 Join us to get outside, immerse yourself in nature, and make a positive impact for the San Diego River! Join a welcoming community of like-minded volunteers working to restore the beautiful lower course of the San Diego River, a hidden natural treas... San Diego River ... San Diego River Habitat Restoration - Tuesday, 4/7/2026 View 8 More	8 Outreach Volunteer Team ✨ Private Events 4:30pm - 7:30pm 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	9 Grant Park Community Stewards - Thursday, 4/9/2026 Grant Park 8 AM - 10 AM 1 Get outside, connect with an amazing community, and help bring a new eco-park to life! Join us for a fun and fulfilling morning at Grant Park, where you’ll connect with others, enjoy the fresh air, and make a real difference. This future nature... Grant Park Commu... Grant Park Community Stewards - Thursday, 4/9/2026 View 8 More	10 Spring Riverbed Homeless Census Ages 18+ - Friday, 4/10/26 to Saturday, 4/11/26 Census Events 6:00am - 9:00am Join us for our seasonal census of people experiencing homelessness in the riverbed. In general, having a better understanding of the population and locations of people living in the riverbed informs advocacy (by SDRPF and others) to justify bring... Spring Riverbed ... Spring Riverbed Homeless Census Ages 18+ - Friday, 4/10/26 to Saturday, 4/11/26 OMAC OB - Estuary Ride (SECOND FRIDAYS) Education 9:00am - 10:30am 23 SECOND FRIDAYS (9-10:30am)OMAC OB - Estuary RideWho: One-Mile Action Crew, All Wheels Welcome!Location: Ocean Beach Estuary / San Diego River TrailParking & Meeting Spot: Robb Field Skate Park at the parking lot. https://maps.app.goo.gl/MbJFiFwpbF2gm... OMAC OB - Estuar... OMAC OB - Estuary Ride (SECOND FRIDAYS) View 8 More	11 CANCELLED: Due to Rain – Family Field Trip Community Event, POLLINATORS - Saturday, 4/11/26 Education 10am-12pm 48 Explore. Discover. Connect.Introducing Natural LAW Field Trips for the Whole Family!Land • Air • Water – Your Family’s Adventure Starts Here! This event has been rescheduled (due to rain) to May 30th. Please RSVP here. We hope you can join... CANCELLED: Due ... CANCELLED: Due to Rain* – Family Field Trip Community Event, POLLINATORS - Saturday, 4/11/26 Spring Riverbed Homeless Census Ages 18+ - Friday, 4/10/26 to Saturday, 4/11/26 Census Events 6:00am - 9:00am 2 Join us for our seasonal census of people experiencing homelessness in the riverbed. In general, having a better understanding of the population and locations of people living in the riverbed informs advocacy (by SDRPF and others) to justify bring... Spring Riverbed ... Spring Riverbed Homeless Census Ages 18+ - Friday, 4/10/26 to Saturday, 4/11/26 Outreach Volunteer Team ✨ Private Events 10:30am - 3:00pm 1 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ Outreach Volunteer Team ✨ Private Events 4:00pm - 8:00pm 3 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More
12 Point Loma Native Plant Garden Club - 2nd & 4th Sundays Garden Club 9:00am - 11:00am 4 Join the San Diego River Park Foundation's Garden Club twice a month to bring community members together to learn about native plants, gardening, and taking care of a native plant landscape! Located just uphill from the San Diego River estuary, the... Point Loma Nativ... Point Loma Native Plant Garden Club - 2nd & 4th Sundays Outreach Volunteer Team ✨ Private Events 10:30am - 2:30pm Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	13 View 8 More	14 San Diego River Mouth Habitat Restoration - Tuesday, 4/14/2026 Habitat Restoration 8am - 11am 10 Join us to get outside, immerse yourself in nature, and make a positive impact for the San Diego River! Join a community of like-minded volunteers working to restore the San Diego River Estuary- a highly sensitive habitat that is home to several end... San Diego River ... San Diego River Mouth Habitat Restoration - Tuesday, 4/14/2026 View 8 More	15 Outreach Volunteer Team ✨ Private Events 10:00am - 2:00pm 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	16 Grant Park Community Stewards - Thursday, 4/16/2026 Grant Park 8 am - 10 am 7 Get outside, connect with an amazing community, and help bring a new eco-park to life! Join us for a fun and fulfilling morning at Grant Park, where you’ll connect with others, enjoy the fresh air, and make a real difference. This future nature... Grant Park Commu... Grant Park Community Stewards - Thursday, 4/16/2026 Water Quality Monitoring: West County - Thursday, 4/16/26 Research 8am - 12pm 5 This event will take place in West County/City of San Diego.Want to make a real impact and explore the San Diego River up close?Join our RiverWatch team and help monitor the health of the river through monthly water quality sampling! This is a uniq... Water Quality Mo... Water Quality Monitoring: West County - Thursday, 4/16/26 Preserve Stewards at Eagle Peak Ranch - Thursday, 4/16/26 Habitat Restoration 9 am - 1 pm 20 Escape the city and become a steward of the breathtaking land at Eagle Peak Ranch! Join us for a unique opportunity to explore this stunning open space preserve located in the headwaters of the San Diego River. As a volunteer, you’ll connect with f... Preserve Steward... Preserve Stewards at Eagle Peak Ranch - Thursday, 4/16/26 View 8 More	17 Water Quality Monitoring: East County - Friday, 4/17/26 Research 8am - 12pm 7 This event will take place in East County.Want to make a real impact and explore the San Diego River up close?Join our RiverWatch team and help monitor the health of the river through monthly water quality sampling! This is a unique, hands-on oppor... Water Quality Mo... Water Quality Monitoring: East County - Friday, 4/17/26 Outreach Volunteer Team ✨ Private Events 4:15pm - 6:30pm 1 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	18 Hike with a Purpose: Headwaters Assessment - Saturday 4/18/2026 Research 7 am - 4 pm 2 Join us for this amazing backcountry adventure as we explore the beauty of the San Diego River's headwaters and collect important conservation data! Do not miss this once-a-year opportunity that is truly one of the most unique and beautiful hikes... Hike with a Purp... Hike with a Purpose: Headwaters Assessment - Saturday 4/18/2026 Outreach Volunteer Team ✨ Private Events 7:00am - 11:00am Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ Outreach Volunteer Team ✨ Private Events 10:00am - 2:00pm Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ Outreach Volunteer Team ✨ Private Events 10:30am - 2:00pm 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ Outreach Volunteer Team ✨ Private Events 11:30am - 3:30pm 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More
19 San Diego River Mouth Habitat Restoration - Sunday, 4/19/2026 Habitat Restoration 9am - 11am 18 Join us to get outside, immerse yourself in nature, and make a positive impact for the San Diego River! Join a community of like-minded volunteers working to restore the San Diego River Estuary- a highly sensitive habitat that is home to several end... San Diego River ... San Diego River Mouth Habitat Restoration - Sunday, 4/19/2026 Bird Walk at Grant Park All Ages - Sunday, 4/19/26 Education 8 am - 9:30 am 17 Embark on a fun-filled walk with bird experts Cindy Pencek and Ian Swirka to observe and count the amazing biodiversity of birds that call this section of the river home! You'll not only experience the joy and relaxation of connecting with nature,... Bird Walk at Gra... Bird Walk at Grant Park All Ages - Sunday, 4/19/26 Outreach Volunteer Team ✨ Private Events 8:30am - 11:30am 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	20 View 8 More	21 Mission Valley Garden Club: (Pre)Earth Day Native Planting! - Tuesday, 4/21/2026 Grant Park 10am - 12pm 35 Meet Neighbors ~ Learn ~ Help Grow a Neighborhood Garden Join this special Garden Club event to help welcome Earth Day at Grant Park! p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px 'Helvetica Neue'} p.p2 {margin: 0.0px 0.0px 0.... Mission Valley G... Mission Valley Garden Club: (Pre)Earth Day Native Planting! - Tuesday, 4/21/2026 San Diego River Habitat Restoration - Tuesday, 4/21/2026 Habitat Restoration 8am - 11am 20 Join us to get outside, immerse yourself in nature, and make a positive impact for the San Diego River! Join a welcoming community of like-minded volunteers working to restore the beautiful lower course of the San Diego River, a hidden natural treas... San Diego River ... San Diego River Habitat Restoration - Tuesday, 4/21/2026 View 8 More	22 CANCELLED*Mission Valley Garden Club: Earth Day Native Planting! - Wednesday, 4/22/2026 Grant Park 9am - 12pm 32 Meet Neighbors ~ Learn ~ Help Grow a Neighborhood Garden This event is CANCELLED. We apologize for any inconvenience. We hope you can join us at our next events: 5/2: Monarch Garden Dedication and Mission Valley Garden Club Planting E... CANCELLEDMiss... CANCELLED**Mission Valley Garden Club: Earth Day Native Planting! - Wednesday, 4/22/2026 Earth Day Clean-Up - Old Man's Pond - 4/22/26 River Rescue 9am-12pm Looking for a volunteer opportunity on Earth Day that allows you to support a healthy river while interacting with a group of like-minded people? Every Wednesday and Saturday our River Rescue team looks so do just that! This dedicated group of volunt... Earth Day Clean-... Earth Day Clean-Up - Old Man's Pond - 4/22/26 View 8 More	23 Grant Park Community Stewards - Thursday, 4/23/2026 Grant Park 8am - 10am 6 Get outside, connect with an amazing community, and help bring a new eco-park to life! Join us for a fun and fulfilling morning at Grant Park, where you’ll connect with others, enjoy the fresh air, and make a real difference. This future nature... Grant Park Commu... Grant Park Community Stewards - Thursday, 4/23/2026 Outreach Volunteer Team ✨ Private Events 4:15pm - 6:30pm 4 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	24 Outreach Volunteer Team ✨ Private Events 3:30pm - 7:30pm 2 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	25 Creek to Bay Community Clean-Up @ Mission Valley Preserve - 4/25/26 Community Clean-ups 9am - 12pm Looking for a volunteer opportunity that allows you to support a healthy river while interacting with a group of like-minded people? Come out with our core volunteer team to assist with River Clean-Ups! If you don't mind getting dirty and doing som... Creek to Bay Com... Creek to Bay Community Clean-Up @ Mission Valley Preserve - 4/25/26 Outreach Volunteer Team ✨ Private Events 8:00am - 12:30pm 1 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More
26 Hike With a Purpose: BioBlitz at Mildred Falls All Ages - Sunday, 4/26/26 Hikes 9 am - 12 pm 49 Celebrate Trails Day and City Nature Challenge while discovering the hidden beauty of Mildred Falls at our BioBlitz event! We'll embark on a hands-on community science adventure to explore this stunning preserve and document its incred... Hike With a Purp... Hike With a Purpose: BioBlitz at Mildred Falls All Ages - Sunday, 4/26/26 Point Loma Native Plant Garden Club - 2nd & 4th Sundays Garden Club 9:00am - 11:00am Join the San Diego River Park Foundation's Garden Club twice a month to bring community members together to learn about native plants, gardening, and taking care of a native plant landscape! Located just uphill from the San Diego River estuary, the... Point Loma Nativ... Point Loma Native Plant Garden Club - 2nd & 4th Sundays View 8 More	27 View 8 More	28 San Diego River Mouth Habitat Restoration - Tuesday, 4/28/2026 Habitat Restoration 8am - 11am 13 Join us to get outside, immerse yourself in nature, and make a positive impact for the San Diego River! Join a community of like-minded volunteers working to restore the San Diego River Estuary- a highly sensitive habitat that is home to several end... San Diego River ... San Diego River Mouth Habitat Restoration - Tuesday, 4/28/2026 View 8 More	29 Outreach Volunteer Team ✨ Private Events 9:30am - 2:30pm 4 Are you looking to meet like minded people and spread the word about the San Diego River? Well, we got an opportunity for you!Our outreach team regularly goes to events such as:Concerts/Music FestivalsMuseum/Community Partner Networking NightsCommuni... Outreach Volunte... Outreach Volunteer Team ✨ View 8 More	30 eDNA Collection for Rare Species Survey - Thursday 4/30/26 Research 9am - 3pm 8 Join us for an exciting and crucial environmental survey focused on collecting environmental DNA (eDNA) samples across several tributaries to determine the presence of rare and elusive species, including rainbow trout, southwestern pond turtles, arro... eDNA Collection ... eDNA Collection for Rare Species Survey - Thursday 4/30/26 Grant Park Community Stewards - Thursday, 4/30/2026 Grant Park 8am - 10am 2 Get outside, connect with an amazing community, and help bring a new eco-park to life! Join us for a fun and fulfilling morning at Grant Park, where you’ll connect with others, enjoy the fresh air, and make a real difference. This future nature... Grant Park Commu... Grant Park Community Stewards - Thursday, 4/30/2026 View 8 More