
The San Dieguito River Valley Conservancy is marking four decades of watershed conservation with a milestone celebration next month, folding its 40th anniversary into the organization's largest annual fundraiser. The event, called River Valley Fest, is set for October 11 from 4 to 7 p.m. at La Valle Coastal Club at 5690 Cancha de Golf in Rancho Santa Fe.
According to the San Diego Union-Tribune, the evening will include cocktails, a sit-down dinner, live and silent auctions, and live music. Crystal Trull said, per a news release cited by the paper, that the conservancy has four decades of accomplishments throughout the watershed. Auction items lined up for the night span a vacation package to Double R Guest Ranch in Arizona, a guided tour for six at the Ilan-Lael Foundation near Julian, a wine tasting for four at Ramona Ranch Winery, a behind-the-scenes tour package for four at the San Diego Zoo Safari Park, and a getaway to La Jolla Beach and Tennis Club.
A Grassroots Group That Grew Into a Regional Force
The nonprofit's roots trace back to 1986, when coastal residents organized as a private 501(c)(3) specifically to halt heavy commercial development along the San Dieguito Lagoon, according to San Diego Magazine. That grassroots effort aimed to acquire land and raise funds to preserve and restore the 55-mile-long San Dieguito River watershed, a mission the conservancy still carries out today by acquiring and restoring habitat and organizing education and recreation programming across the region stretching from Del Mar to Volcan Mountain.
Three years after its founding, local leaders formed a governmental partner: the San Dieguito River Park Joint Powers Authority, established in June 1989 to unite six jurisdictions, including San Diego County and the cities of Del Mar, Solana Beach, San Diego, Poway, and Escondido, along with unincorporated county land, as reported by the Rancho Santa Fe Foundation. The nonprofit conservancy handles land acquisition, fundraising, habitat restoration, and community outreach, while the JPA is the public agency that establishes and manages the resulting 92,000-acre San Dieguito River Park.
Watershed's Ecological Stakes and Land Footprint
The San Dieguito River watershed spans nearly 900 square miles across North San Diego County and shelters threatened and endangered species such as the California least tern and southwestern willow flycatcher, per the conservancy's own account of the region's coastal wetlands, chaparral, oak woodlands, and mountain headwaters. The organization directly manages more than 3,100 acres of conservation land and has helped protect over 7,000 acres total across North County, a footprint documented in a 2018 post shared in a regional trail Facebook group.
Near the very site hosting this year's fest, the conservancy acquired 117 acres of open space adjacent to Upper Cielo in Rancho Santa Fe in 2021 to prevent urban fragmentation and protect native habitat, according to the Cielo Homeowners Association. That acquisition tied into the conservancy's broader effort to connect wildlife movement corridors across the watershed.
The Coast to Crest Trail's Unfinished Middle Stretch
The conservancy's flagship long-term project remains the Coast to Crest Trail, envisioned as a 71-mile multi-use path running from the Pacific Ocean at Del Mar to Volcan Mountain near Julian. Roughly 49 miles are complete and open to the public, leaving the final stretch through the inland San Pasqual Valley and Lake Sutherland still unfinished, with the timeline and funding needed to close that gap not yet detailed publicly.
One of the trail's most visible achievements came in May 2009, when park partners dedicated the 990-foot David Kreitzer Lake Hodges Bicycle/Pedestrian Bridge, billed as the world's longest stress-ribbon bridge, connecting regional trails between Escondido and Rancho Bernardo. The span is named for conservancy co-founder David Kreitzer, a retired Air Force officer who also served 20 years on the San Diego County Planning Commission before his death in November 2023 at age 94, according to the conservancy's own tribute.
Recognition and Historic Preservation Alongside Habitat Work
The conservancy's reach earned formal state recognition in May 2023, when California State Senator Catherine Blakespear named it Senate District 38's Nonprofit of the Year for its watershed conservation and trail development work, per The Coast News. Alongside its ecological work, the conservancy and the JPA jointly support historic preservation efforts, including the 1870s Sikes Adobe Historic Farmstead in South Escondido, restored in 2004, rebuilt after the 2007 Witch Creek Fire, and reopened in 2010.
Tickets to River Valley Fest are available for online purchase, and the conservancy also offers sponsorship opportunities for businesses and individuals looking to support the group's ongoing land protection work. Those interested can reach the organization at 858-866-6956, by email at [email protected], or through its website at www.sdrvc.org.









