Jackson Hole, Wyoming, increased 260%, from 1,244 to 4,472 residents, in 40 years.
Triple Divide Peak (8,020 feet (2,440 m)) in Glacier National Park is so named because water that falls on the mountain reaches not only the Atlantic and Pacific but Hudson Bay as well.
Within the North American Cordillera, the Rockies are somewhat distinct from the Pacific Coast Ranges and the Cascade Range and Sierra Nevada, which all lie further to the west.
The Rocky Mountains were initially formed from 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began to slide underneath the North American plate.
Farther north in Alberta, the Athabasca and other rivers feed the basin of the Mackenzie River, which has its outlet on the Beaufort Sea of the Arctic Ocean.
See Rivers of the Rocky Mountains for a list of rivers.Much of the mountain range is protected by public parks and forest lands and is a popular tourist destination, especially for hiking, camping, mountaineering, fishing, hunting, mountain biking, skiing, and snowboarding.