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
Happy Mother’s Day to all the mom’s out there! We had lots of baby birds on this May count to help us celebrate. We tallied 121 species, and two new species in Area 4, bringing our cumulative total to 260. New species included a Swinhoe’s White-eye seen by Sue Smith and a Calliope Hummingbird found… Read More » Although the King Tide made it challenging for shorebirds, we had a great count this month with a number of rarities present, for a total of 119 species seen. We had 2 new species, Greater Scaup in Area 2 and Golden-crowned Kinglet in Area 5, bringing our cumulative total to 257 species. In addition, Area… Read More » Well despite a few groups feeling as though this month’s count was a bit slow, we managed to see 106 species which is quite good for October. In addition, we had 4 new species! We had a Palm Warbler in the tomato fields of area 3, a Least Flycatcher in the dried up pond behind… Read More » We had better coverage this time and we saw a total of 96 species, which is a good number for September, despite not seeing too many migrants. Our overall cumulative total stands steady at 251. We got to area 4 just as the sun was coming up and were rewarded with a Barn Owl over… Read More » We had 88 species, although that is a bit low for this time of year. Our overall cumulative total remains at 251. Despite somewhat low numbers, we had several good birds, including a Turkey Vulture in area 5 flying over the lagoon by Crest Canyon, quite a few Ridgway’s Rails (in areas 1 and 2),… Read More »
May 2022 San Dieguito Lagoon Bird Survey Results
December 2021 San Dieguito Lagoon Bird Survey Results
October 2021 San Dieguito Lagoon Bird Survey Results
September 2021 San Dieguito Lagoon Bird Survey Results
August 2021 San Dieguito Lagoon Bird Survey Results
