| View KML View WKT | United States Rivers |
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St. Marys River
| States | Indiana (41 mi), Ohio (57 mi) |
| Length | 97.8 miles |
| Watershed Length* | 187 miles |
| Mouth | Maumee River ⤏ Lake Erie |
| GNIS | 442706 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Black Creek | 45 | 17 | 30 |
| Blue Creek | 39 | 26 | 26 |
| Kopp Creek | 98 | 15 | 15 |
| Twelvemile Creek | 69 | 18 | 18 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey