| View KML View WKT | United States Rivers |
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Blackwater River
| States | Maryland |
| Length | 26.9 miles |
| Watershed Length* | 43 miles |
| Mouth | Transquaking River ⤏ Atlantic Ocean |
| GNIS | 583283 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Little Blackwater River | 18 | 16 | 16 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey