Sonoma County sheriff's detectives were brought in Sunday after a fully-clothed female body was discovered on the beach below the Guerneville Bridge, authorities said.

The unidentified woman, who is white and believed to be in her 30s, was lying face down on the beach when sheriff's deputies arrived at the scene at 9 a.m. Sunday.

Investigators are treating the case as a suspicious death and have asked anyone with information to contact the sheriff's office at 565-2185.

— Derek Moore