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
A plethora of native wildflower species are showing off their colors and variable shapes in pockets throughout the San Dieguito River Park. While we generally admire these flowers for their unique visible displays they are so much more than just their looks. Native wildflowers are performing a number of essential functions and roles within their… Read More » The San Dieguito Monthly Bird count had a very good count for April despite, or perhaps because of, the COVID restrictions. They had a total of 122 species and high numbers of many species. For example, 129 Common Yellowthroats! Just goes to show you how happy nature is when all the humans are locked up… Read More » The San Dieguito Monthly Bird Count identified 116 species in December, with no new species. This leaves the cumulative species total at 243 after 10 full years of bird surveys. Click here for the PDF document with the detailed monthly results from January 2010 through December 2019. Bird Count Leader Jayne Lesley reported there were… Read More » The San Dieguito Monthly Bird Count identified 100 species in November, with no new species. This leaves the cumulative species total at 243. Click here for the PDF document with the detailed monthly results through November 2019. Bird Count Leader Jayne Lesley reported that only a couple more duck species have arrived, along with a… 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 »
The Value of Our Native Wildflowers
April 2020 San Dieguito Lagoon Bird Survey Results
10 Years of San Dieguito Lagoon Bird Survey Data
November 2019 San Dieguito Lagoon Bird Survey Results
PAS Lake Hodges Bird Walk Results 2019
