Geography and Climate
These tablelands are the largest highland area in Australia, covering approximately 18,197 square kilometres. There are widespread high points over 1,000 metres including Chandler's Peak (1,565 m), Point Lookout (1,564 m), Campoompeta (1,555 m), Barjimba (1,525 m) and the highest point at Round Mountain is 1,586 metres above sea level. The now closed railway station at Ben Lomond, was the highest railway station in Australia.
The formation of the Great Dividing Range has resulted in a wide variety of soil types being located on the Northern Tablelands. Here soils are mostly derived from basaltic rocks, granite rocks, trap rock or alluvials along creeks and rivers.
The eastern escarpment of the Tableland has spectacular gorges, rainforests and waterfalls, protected in more than 25 National Parks, with three of them listed as World Heritage Areas by UNESCO and forming part of the Central Eastern Rainforest Reserves (CERRA). Werrikimbe National Park and Oxley Wild Rivers National Park, one of the largest national parks in NSW are accessible from the Oxley Highway east of Walcha. The Oxley Wild Rivers National Park is also accessible via Waterfall Way east of Armidale and south of Hillgrove. Access to the World Heritage listed New England National Park is also from Waterfall Way.
The coastal flowing Clarence, Macleay and Manning, rivers have their headwaters on eastern escarpment of the Tableland. The inland flowing rivers have their confluence with the Gwydir, Namoi and Macintyre river systems of the Murray-Darling River Basin. The only major water storage dam on the Northern Tablelands is Copeton Dam on the Gwydir River near Inverell.
The high elevation of the tablelands means cool summers (rarely over 32°C) but winters are cold with occasional snowfalls and many frosty mornings. Winter minimums can go as low as -10°C around Armidale, Guyra, Woolbrook and Walcha regions during frosty mornings, but this usually results in clear sunny days. The Northern Tablelands is a high rainfall region with averages ranging fron 650 mm on the western slopes to over 1,200 mm on the east of the range. About 60% of this rainfall occurs during the summer months.
Read more about this topic: Northern Tablelands
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