 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (August 2017) |
| Stillwater River | |
|---|---|
 Route of the Stillwater River | |
&sq=&lang=&file=File:New_Zealand_(relief_map).png)  Mouth of the Stillwater River &sq=&lang=&file=File:NZ-SI_plain_map.png)  Stillwater River (New Zealand) (South Island) | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Source | |
| • coordinates | 45°03′08″S 167°30′24″E / 45.0521°S 167.5067°E |
| Mouth | |
• location | Lake Marchant |
• coordinates | 45°03′17″S 167°19′47″E / 45.0547°S 167.3297°E |
| Basin features | |
| Progression | Stillwater River → Lake Marchant → Taitetimu / Caswell Sound → Tasman Sea |
| Tributaries | |
| • left | Feldspar Stream |
| • right | Ethne Stream, Madman Stream, Expectation Stream |
| Waterfalls | Twin Falls |
The Stillwater River is a river in New Zealand, flowing into Caswell Sound, Fiordland.