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Join the San Dieguito River Valley Conservancy and nature experts for a data-gathering group hike from 9 a.m. to noon April 24 in San Pasqual Valley. Meet for the “BioBlitz” at the Ysabel Creek Road Staging Area, 16414 Ysabel Creek Road, Escondido. Participants are encouraged to download iNaturalist, an app for nature lovers to record, share and discuss their observations. Using the app, we will submit our findings as part of the City Nature Challenge, a global effort to docu

Originally published March 18, 2026, by the City of Del Mar. An environmental document for the San Dieguito Lagoon Levee, Habitat Enhancement and Trail Project has opened for public comment through 5 p.m. April 17. The document, a Draft Initial Study/Mitigated Negative Declaration, examines a project designed to minimize flood risks by building vegetated, earthen berms along both sides of the San Dieguito River between the railroad bridge and Jimmy Durante Boulevard. Consid

The Coast to Crest Trail Challenge turns 10 this summer. As the annual, five-hike series approaches its big birthday, we'd like your help in choosing the anniversary lineup. We’re calling it “Challenger’s Choice." Your choices will help us pick the five hikes for Year 10. We can’t wait to see where they take us! Thank you for bringing good energy to the trail and good ideas to our brief, Challenger's Choice poll. Challenger's Choice poll

A few spaces are still open and training has started for the Mt. Kilimanjaro Challenge, a unique San Dieguito River Valley Conservancy journey to the top of Africa's tallest peak. Far from the San Dieguito watershed and at 19,341 feet above sea level, hikers can explore the summit of Mt. Kilimanjaro Challenge as this faraway group hike returns for a second, epic adventure during summer 2026. In February 2025, a group of a dozen hikers completed the first “Climb for the Conser