ecology

The Escondido Creek Conservancy describes Escondido Creek as beginning in Bear Valley above Lake Wohlford and flowing more than 26 miles to San Elijo Lagoon, through a watershed of more than 75 square miles.

Keithley Preserve is a 910-acre conservation area in the Elfin Forest region, managed by the Escondido Creek Conservancy. Originally known as Cielo Preserve, it was renamed in 2020 to honor Elizabeth Keithley. The preserve contains diverse habitats including riparian oak woodlands and coastal sage scrub, and provides habitat for the federally threatened coastal California gnatcatcher.

The San Dieguito River Park page gathers founding, mission, extent, governance, and trail-system context for the regional greenway from the park's official web page checked in May 2026. It is not a current trail-conditions report, trail map, access guide, or schedule.

Sardina Preserve is a Lake Wohlford-area preserve named the George Sardina, MD Preserve. It was formerly the John Henry Ranch.

The Escondido Creek Conservancy is a local conservation organization connected to the Escondido Creek watershed. Its mission is to preserve and restore the watershed.

Daley Ranch is a 3,201-acre conservation area in northeastern Escondido, managed for habitat preservation and offering over 25 miles of multipurpose trails.

Elfin Forest Recreational Reserve is a 784-acre reserve near Escondido, opened in 1992, with about 11 miles of hiking, mountain-biking, and equestrian trails.

The Coast to Crest Trail is a planned 71-mile multi-use trail from the ocean at Del Mar to the San Dieguito River's source on Volcan Mountain near Julian.

The Escondido Creek Conservancy describes Escondido Creek as beginning in Bear Valley above Lake Wohlford and flowing more than 26 miles to San Elijo Lagoon. The Conservancy works to preserve the watershed and monitors water quality.

Daley Ranch, a 3,201-acre conservation area the City acquired in 1996, has more than 25 miles of trails for hiking, mountain biking, and horseback riding. Other open space includes the County's 774-acre Del Dios Highlands Preserve and 185 acres of natural habitat in Kit Carson Park.

San Dieguito River Park trail resources include official trail-system, Coast to Crest Trail, map, and trail-list context checked on May 24, 2026.