Sinnissippi Mounds

Sinnissippi Site
LocationSterling, Whiteside County, Illinois
Coordinates41°47′50″N 89°39′35″W / 41.79722°N 89.65972°W / 41.79722; -89.65972
Area6 acres (2.4 ha)
Builtc. BCE 1 (1)
Architectural styleBurial mound
NRHP reference No.79000874
Added to NRHPMay 14, 1979

The Sinnissippi Mounds are a Havana Hopewell culture burial mound grouping located in the city of Sterling, Illinois, United States.