Kit Hill, at 334 metres high, dominates the area between Callington and the River Tamar in southeast Cornwall, England, UK. The word 'Kit' comes from Old English for kite, a reference to birds of prey. Buzzards and sparrowhawks can still be seen on the hill. It is one of five Marilyn hills in Cornwall, the four others are Watch Croft, Brown Willy, Carnmenellis …Kit Hill, at 334 metres high, dominates the area between Callington and the River Tamar in southeast Cornwall, England, UK. The word 'Kit' comes from Old English for kite, a reference to birds of prey. Buzzards and sparrowhawks can still be seen on the hill. It is one of five Marilyn hills in Cornwall, the four others are Watch Croft, Brown Willy, Carnmenellis and Hensbarrow Beacon.