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Wednesday, 16 April 2014
Home arrow Preserves arrow Rancho La Costa
Preserve - Rancho La Costa Habitat Conservation Area PDF Print E-mail

Click here to view a video of this and neighboring preserves

Physical Description: The Rancho La Costa Habitat Conservation Area ranges from El Camino Real to Elfin Forest within the Cities of Carlsbad and San Marcos and the County of San Diego. Although the site is broken into many parcels, the total land owned by the Center is close to 1,500 acres. The preserve includes Box Canyon, a very steep, but unique feature of the area.

Box Canyon Photo

Conservation Purpose: This site has been protected as mitigation to off-set impacts of development projects in the vicinity and acts as a regional corridor connecting Batiquitos Lagoon and Lake Hodges. The site is biologically rich site and representative of the high diversity of coastal San Diego County's natural habitats.

RLC Waterfall

Habitat Types: Over 80% of this preserve is covered in two native habitat types, coastal sage scrub and mixed chaparral. The preserve also has a few acres of cottonwood woodland located within Box Canyon. Several threatened or endangered species occur on this site including Del Mar manzanita, (Arctostaphylos glandulosa var crassifolia), coastal California gnatcatcher, (Polioptila californica californica) and thread-leaved brodiaea (Brodiaea filifolia).

Rancho La Costa Photo

Management: The focus of management here is to protect the preserve from negative human abuses, monitor plant and wildlife species and conduct research projects. The questions here focus on whether or not the conserved natural communities and species can persist, or for how long, and what management measures are required to reduce their risk of extirpation.

Horned Lizard Photo

Formation and History: The Preserve areas were deeded to the Center from January to December 2002. The Preserve was created as mitigation for Morrow Developments La Costa Villages development, and Brookfield Homes and Skandia Development University Commons development.

Snake at RLC Photo

Access: Only portions of the Preserve east of Box Canyon are open to the public for passive recreation. No motorized vehicles, shooting, camping or fires are allowed. The portion of the preserve north and west of Box Canyon is temporarily closed, and no access is allowed at any time of the year.

RLC Canyon

Click to view Denk Mountain Trail Map
Click to view East Ridgeline Map
Click to view Ridgeline Trail Map

To request Google Earth Trail Files, click Here

For information and inquiries please contact:

Markus Spiegelberg
San Diego Area Manager
(619)295-4953 Phone/Fax
e-mail: mspiegelberg@cnlm.org


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