Stun Sail Boom River
| Stun Sail Boom Stunsail Boom; Stuns'l Boom | |
|---|---|
Location of the river mouth in South Australia | |
| Etymology | Slang for Studding sail |
| Location | |
| Country | Australia |
| State | South Australia |
| Region | Kangaroo Island |
| Physical characteristics | |
| Source confluence | North West River and North East River |
| • elevation | 22 m (72 ft) |
| Mouth | Southern Ocean |
• coordinates | 36°01′15″S 137°00′57″E / 36.020810°S 137.015950°E |
• elevation | 4 m (13 ft) |
| Length | 9 km (5.6 mi) |
| Basin size | 324 km2 (125 sq mi) |
The Stun Sail Boom River (or variants Stunsail Boom River and Stuns'l Boom River) is located on the south coast of Kangaroo Island, a large island off the South Australian coast.