Churchill Falls is a waterfall named after former British Prime Minister, Winston Churchill. They are high, located on the Churchill River (before 1965 the Hamilton River, the falls being named Grand Falls) in Newfoundland and Labrador, Canada. above the falls, the Churchill River narrowed to and negotiated a series of rapids before dropping into MacLean Canyon, from which sheer cliffs rise several hundred feet on either side. The river flowed through the canyon over a series of rapids. The total drop from the rapids above the main falls to the end of MacLean Canyon is .