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 94 species in September, including the Cassin’s Vireo, which is a new species! This brings the cumulative total to 235. Click here for the PDF document with the detailed monthly results through September 2017. According to bird count leader Jayne Lesley, some noteworthy birds were a White-winged Dove,… Read More » The San Dieguito Monthly Bird Count identified 93 species in August. No new bird species were seen, so the cumulative total remains at 234. Click here for the PDF document with the detailed monthly results through August 2017. According to bird count leader Jayne Lesley, some noteworthy birds were 2 Lesser Yellowlegs and 5 Wilson’s… Read More » The San Dieguito Monthly Bird Count identified 82 species in July. No new bird species were seen, so the cumulative total remains at 234. Click here for the PDF document with the detailed monthly results through July 2017. According to bird count leader Jayne Lesley, some noteworthy birds were many broods of ducklings seen from… Read More » The San Dieguito Monthly Bird Count identified 93 species in June, which is the highest ever for this month. No new bird species were seen, so the cumulative total remains at 234. Click here for the PDF document with the detailed monthly results through June 2017. According to bird count leader Jayne Lesley, some noteworthy… 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 March, October, and November. The list of bird species seen is then posted on the PAS website. SDRP has compiled the lists since October 2013 into a PDF… Read More »
September 2017 San Dieguito Lagoon Bird Survey Results – NEW SPECIES!
August 2017 San Dieguito Lagoon Bird Survey Results
July 2017 San Dieguito Lagoon Bird Survey Results
June 2017 San Dieguito Lagoon Bird Survey Results
PAS Lake Hodges Bird Walk Results March 2017 Update
