| View KML View WKT | United States Rivers |
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Union River
| States | Maine |
| Length | 21.8 miles |
| Watershed Length* | 77 miles |
| Mouth | Atlantic Ocean |
| GNIS | 577553 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Union River - East Branch | 22 | 22 | 35 |
| Union River - West Branch | 22 | 20 | 20 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey