O. C. Lewis Gymnasium
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| Location | Anderson, Indiana United States |
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| Coordinates | 40°06′53″N 85°39′36″W / 40.114651°N 85.659899°W |
| Capacity | 3000 |
| Opened | 1962 |
| Tenants | |
| Indiana Alley Cats (2005) Anderson University Ravens | |
The O.C. Lewis Gymnasium is a 3000-seat multi-purpose arena in Anderson, Indiana, USA on the Anderson University campus. It hosts local sporting events and gymkhana. It was home to the Indiana Alley Cats, in 2005, and the Anderson University Ravens basketball teams. The arena opened in 1962.