Drumheller is a town (formerly a city) within the Red Deer River valley in the badlands of east-central Alberta, Canada. It is located 110 kilometres (68 mi) northeast of Calgary. The Drumheller portion of the Red Deer River valley, often referred to as Dinosaur Valley, has an approximate width of 2 kilometres (1.2 mi) and an approximate length of 28 kilometres (17 mi)
