Henfield topographic map

The South Downs National Park's chalk downland is a feature that sets it apart from other national parks in Britain. However, almost a quarter (23%) of the national park consists of a quite different and strongly contrasting physiographic region, the western Weald, whose densely wooded hills and vales are…

Average elevation: 54 m

Average elevation: 57 m

Crawley lies within the Sussex Weald, an area of highly variable terrain so that many microclimates of frost hollows, sun traps and windswept hilltops will be encountered over a short distance. During calm, clear periods of weather this allows for some interesting temperature variations, although most of the…

Average elevation: 80 m

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