The heather and bilberry heath grows on poor sandy soils, and the peatland supports ground-nesting birds including curlew, lapwing and golden plover, though sightings are never a given. Green-winged orchid can appear in spring grassland, and the former Low Horcum farm buildings shelter a thriving bat population. People settled here around 4,000 years ago, leaving round barrows and cairns, with later medieval settlement and nineteenth-century farm buildings lived in until the 1960s. The A169 follows part of an ancient route once used for the salt trade. Local tradition says Wade the Giant scooped up the earth to throw at his wife Bell, missed, and left the Hole behind; the flung clod became Blakey Topping.