 In Zimbabwe, it is not found below , usually associated with mountain slopes and rocky hillsides, but also montane grassland with patches of bushes and shrubs.In the southern part of its range (Cape Province, South Africa), where the winters are cold and wet and the summers warm and dry, it can be found in coastal and mountain heathland, as well as small rock outcrops at sea level and grassy areas with clumps of bushes and shrubs west of the Cape Peninsula.The Berg adder is unusual among "Bitis" species in that its venom is predominantly neurotoxic, so much so that the effects of the bite seldom include necrosis or infection.