Coolumbooka River
| Coolumbooka River | ||
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| Data | ||
| location | New South Wales , Australia | |
| River system | Snowy River | |
| Drain over | Bombala River → Delegate River → Snowy River → Bass Strait | |
| source | at Cathcart 36 ° 50 ′ 33 ″ S , 149 ° 25 ′ 59 ″ E |
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| Source height | 803 m | |
| muzzle |
Bombala River at Bombala Coordinates: 36 ° 53 ′ 41 ″ S , 149 ° 14 ′ 45 ″ E 36 ° 53 ′ 41 ″ S , 149 ° 14 ′ 45 ″ E |
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| Mouth height | 698 m | |
| Height difference | 105 m | |
| Bottom slope | 4 ‰ | |
| length | 26.5 km | |
| Right tributaries | Badgerys Creek, Dragon Swamp Creek | |
| Small towns | Cathcart | |
The Coolumbooka River is a river in the southeast of the Australian state of New South Wales .
It rises at Cathcart west of the South East Forest National Park and flows west along the northern border of the Coolumbooka Nature Reserve , a federal nature reserve. North of Bombala it flows into the Bombala River .