| Lively Run | |
|---|---|
 | |
| Location | |
| Country | United States |
| State | New York |
| Physical characteristics | |
| Mouth | Cayuga Lake |
• location | Interlaken Beach, New York, United States |
• coordinates | 42°37′48″N76°41′17″W / 42.63000°N 76.68806°W |
| Basin size | 1.97 sq mi (5.1 km2) |
Lively Run is a river located in Seneca County, New York. It flows into Cayuga Lake by Interlaken Beach, New York. [1]