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
Thanks to everyone who participated in the September 2023 SDRP count. We had a total of 98 species which is pretty good for September. And we even added a new species, Stilt Sandpiper, bringing our total cumulative species count to 267. The temporary pond next to the western soccer field of area 2, compliments of… Read More » Thanks to all who participated in the July 2023 SDRP count. We had a total of 96 species, which ties our all-time high for July. Not bad for a quiet month! Our cumulative count remains at 266 with none new this month. Once again there were a lot of young birds out and about, including… Read More » Spring has finally sprung, as many migrating birds were coming through. We had a total of 111 species, none new this time so our cumulative total remains at 266. Species of interest included Bell’s Vireo in areas 1, 2, & 3; decent numbers of Yellow Warblers, Wilson’s Warblers and Yellow-breasted Chats throughout; Black-headed Grosbeaks in… Read More » No new species, so our cumulative total remains at 266. Every area had Western Kingbirds coming through, including 27 in area 3! Area 3 also had a Baird’s Sandpiper. Other returning spring arrivals included Bell’s Vireo (area 2), Black-headed Grosbeak (area 2), and various swallows (most areas) to name a few. Click here for the PDF… Read More » On Sunday March 12, local boy scouts completed the requirements to earn their Environmental Science merit badge – which is one of the required badges for the rank of Eagle Scout. At the Sikes Adobe Historic Farmstead, Ranger Jess hosted a three part environmental science project focused on invasive species for the scouts with the… Read More »
September 2023 San Dieguito Lagoon Bird Survey Results
July 2023 San Dieguito Lagoon Bird Survey Results
May 2023 San Dieguito Lagoon Bird Survey Results
April 2023 San Dieguito Lagoon Bird Survey Results
Local Scouts Earn a Merit Badge in Environmental Science at Sikes
