The San Dieguito River Valley Regional Open Space Park Joint Powers Authority, also known as the San Dieguito River Park, is the agency responsible for creating a greenway and natural open space park in the San Dieguito River Valley. The vision of the River Park is to preserve and interpret the natural and cultural resources of the river valley from the river’s source at Volcan Mountain, north of Julian, to the Pacific Ocean in Del Mar.
The San Dieguito River Valley is rich in all sorts of natural wonders through our Nature Notebook. Learn more about specific resources by exploring the categories below. Be sure to check the Events Calendar to see what upcoming opportunities you have to learn more about these natural resources from experts in the field!
Latest Posts from the Nature Notebook
The San Dieguito Monthly Bird Count identified 118 species in May- a record number for the month. This includes 2 new bird species, Swainson’s Thrush and American Bittern, which brings the cumulative species total up to 238. Click here for the PDF document with the detailed monthly results through May 2018. According to bird count… Read More » Palomar Audubon Society Trip Leaders guide birders around different areas of Lake Hodges, like Del Dios Community Park, the Boat Dock, and Bernardo Bay, every year in spring and fall. The list of bird species seen is then posted on the PAS website. SDRP has compiled the lists since October 2013 into a PDF document.… Read More » Palomar Audubon Society Trip Leader Jim Beckman guides birders through San Pasqual Valley in early spring, and the list of bird species seen is posted on the PAS website. SDRP has compiled the lists from 2014-2018 into a PDF document. 56 bird species were seen this year, and 7 of them were new: Rock Wren,… Read More » Ticks are native insects that carry dangerous vector-borne illnesses. Ticks can be found in all sections of the San Dieguito River Park. While they are most commonly found in the warmer months, they are active all year around. Ticks in San Diego County have tested positive for Lyme Disease, Rocky Mountain Fever, and Tularemia, also… Read More » The San Dieguito Monthly Bird Count identified 119 species in April. No new bird species were seen this month, so the cumulative species total remains at 236. Click here for the PDF document with the detailed monthly results through April 2018. According to bird count leader Jayne Lesley, many migrating Western Kingbirds were seen throughout… Read More »
May 2018 San Dieguito Lagoon Bird Survey Results- 2 New Species!
PAS Lake Hodges Bird Walk Results March 2018 Update
PAS San Pasqual Valley Bird Walk Results 2018
Tick Talk
April 2018 San Dieguito Lagoon Bird Survey Results
