| View KML View WKT | United States Rivers |
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Thirtymile Creek
| States | Oregon |
| Length | 41.2 miles |
| Watershed Length* | 61 miles |
| Mouth | John Day River ⤏ Eastern Pacific Ocean |
| GNIS | 1151072 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Thirtymile Creek - East Fork | 21 | 20 | 20 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey