| Armco Park Mound I | |
| Nearest City: | Otterbein, Ohio |
| Added: | 29 May 1975 |
| Refnum: | 75001550 |
Armco Park Mound I is an archaeological site near Otterbein, Ohio. It was listed in the National Register of Historic Places on May 29, 1975. Publication of the location of this site by the United States government is restricted under the Archaeological Resources Protection Act of 1979.