| Adena mound | |
| Location: | Ross County, Ohio |
| Nearest City: | Chillicothe, Ohio |
| Coordinates: | 39.3559°N -83.0091°W |
| Added: | June 5, 1975 |
| Refnum: | 75001529 |
The Adena mound, the type site for the Adena culture of prehistoric mound builders, is a registered historic structure, on the grounds of the Adena Mansion for which it is named, near Chillicothe, Ohio. It was listed in the National Register on June 5, 1975.