Folsom Lake
Folsom Lake is a reservoir on the American River in the Sierra Nevada foothills of California, United States.

It is located within Placer, El Dorado, and Sacramento Counties. It is about northeast of Sacramento. The lake surface area is , its elevation is , and it has of undulated shoreline. Folsom Lake with its surrounding Folsom Lake State Recreation Area is one of the most visited parks in the California park system.

The California Office of Environmental Health Hazard Assessment has developed a safe eating advisory for Folsom Lake based on levels of mercury found in fish caught here.
Q131681
reservoir
Concept
Q466699
American River
LOC
Q26777
Sierra Nevada
LOC
Q99
California
LOC
Q156353
Placer
LOC
Q108093
El Dorado
LOC
Q108131
Sacramento
LOC
Q18013
Sacramento
LOC
Q5464865
Folsom Lake State Recreation Area
LOC
Q5020727
California Office of Environmental Health Hazard Assessment
ORG
Q4279837
Folsom Lake
LOC
Q4279837
Folsom Lake
LOC
Q4279837
Folsom Lake
LOC
instance of
lake outflow
located in the administrative territorial entity
located in the administrative territorial entity
located in the administrative territorial entity