Lansdowne River
| Lansdowne River | ||
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| Data | ||
| location | New South Wales , Australia | |
| River system | Manning River | |
| Drain over | Manning River → Tasman Sea | |
| source | Mount Gibraltar in the Killabakh Nature Reserve 31 ° 38 ′ 47 ″ S , 152 ° 25 ′ 23 ″ E |
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| Source height | 740 m | |
| muzzle |
Manning River (northern arm) south of Coopernook coordinates: 31 ° 51 '34 " S , 152 ° 36' 51" O 31 ° 51 '34 " S , 152 ° 36' 51" O |
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| Mouth height | 0 m | |
| Height difference | 740 m | |
| Bottom slope | 15 ‰ | |
| length | 51 km | |
| Small towns | Lansdowne, Coopernook | |
| Communities | Upper Lansdowne, Langley Vale | |
The Lansdowne River is a river in the east of the Australian state of New South Wales .
It rises on the western slopes of Mount Gibraltar in the Killabakh Nature Reserve . From there it flows southeast and passes the Coorabakh National Park on its west side. At Coopernook it crosses the Pacific Highway and flows three kilometers further south into the northern arm of the Manning River .
The small town of Lansdowne lies on the middle course of the river .