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In page Werrikimbe National Park:

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All access roads to the park have a gravel surface, winding and steep in places. These roads are unsuitable for caravans. Beyond the Mooraback Road there is a four-wheel drive (4WD) trail to Youdales Hut visitor area which is only accessible by a 4WD with low range, after obtaining a key for the locked gate from either the National Parks and Wildlife Service or Apsley Motors in Walcha.[1] There are five visitor areas with basic facilities — three on the eastern side near the edge of the escarpment, and two on the west, on the plateau.