A high king tide tried to reverse the flow of the San Lorenzo River in Santa Cruz.Archer Koch of MultiRotorCam flew a drone to document the extreme tide on Saturday.Watch Koch's footage below or ...

After a recent natural breach of the San Lorenzo River mouth July 5, the city of Santa Cruz urges beachgoers to recreate safely near the ever-shifting and potentially dangerous river lagoon.

The San Lorenzo River, with its source near Castle Rock State Park in the Santa Cruz Mountains, runs 29.3 miles through the towns of Boulder Creek, Ben Lomond, Felton and the city of Santa Cruz ...

The San Lorenzo River cut a deep channel and abandoned its floodplain in the Felton area around the time of intensive clearcutting in the surrounding mountains, ... (Photos by Will Chapman) ... UC ...

San Lorenzo River straightens path to ocean, away from Santa Cruz Beach Boardwalk ...

SANTA CRUZ >> Santa Cruz’s ongoing stopgap efforts to relieve San Lorenzo River levee flooding in low-lying areas are on hold this month due to reports of concentrated and toxin-producing algae ...

The San Lorenzo River surging near Ben Lomond, Calif., on Feb. 7, 2017. Denise Young A mudslide blocks lanes of Highway 17 in the Santa Cruz Mountains after a damaging storm on February 7, 2017.

After a recent natural breach of the San Lorenzo River mouth July 5, the city of Santa Cruz urges beachgoers to recreate safely near the ever-shifting and potentially dangerous river lagoon.

Researchers stand on the abandoned floodplain on the left, with the San Lorenzo River on the right. The level area in the center of the photo may be a new floodplain being formed. When the San Lorenzo ...