A worker with the California Conservation Corps found the body around 12:20 p.m. about 100 feet below a railroad trestle at Soquel and Spreckels drives, sheriff's Lt. Bob Pursley said.
He said detectives are investigating whether the woman, who appears to be in her 40s, fell from the trestle.
The case is being investigated as a suspicious death.
The woman's identity will likely be released on Tuesday, Pursley said.
