Elk River (Oklahoma)
| Elk River | |
|---|---|
| Physical characteristics | |
| Source | |
| • location | Confluence of Big Sugar Creek and Little Sugar Creek near Pineville, Missouri |
| • coordinates | 36°35′18″N 94°22′58″W / 36.5883333°N 94.3827778°W |
| • elevation | 860 ft (260 m) |
| Mouth | |
• location | Confluence with the Neosho River in Delaware County, Oklahoma |
• coordinates | 36°39′56″N 94°46′03″W / 36.6655556°N 94.7675°W |
• elevation | 741 ft (226 m) |
| Length | 35 mi (56 km) |
| Discharge | |
| • location | Tiff City |
| • average | 821 cu ft/s (23.2 m3/s) |
| Basin features | |
| Progression | Elk River → Neosho → Arkansas → Mississippi → Gulf of Mexico |
| GNIS ID | 1092538 |
The Elk River is a 35.2-mile-long (56.6 km) tributary of the Neosho River in southwestern Missouri and northeastern Oklahoma in the United States. Its tributaries also drain a small portion of northwestern Arkansas. Via the Neosho and Arkansas rivers, the Elk is part of the Mississippi River watershed.