Adams Lake is an unincorporated community and census-designated place (CDP) in LaGrange County, Indiana, United States.
Geography
The community is in southeastern LaGrange County, surrounding the natural water body of Adams Lake. It is northeast of Wolcottville and southeast of LaGrange, the county seat.
According to the U.S. Census Bureau, the Adams Lake CDP has a total area of , of which are land and , or 50.06%, are water. The lake drains at its south end into an unnamed creek which flows south to Little Elkhart Creek, a west-flowing tributary of the North Branch of the Elkhart River, part of the St. Joseph River watershed leading to Lake Michigan.