is a Statutory Town that is the most populous town in Grand County, Colorado, United States. Granby is situated along U.S. Highway 40 in Middle Park about 85 miles (136.8 km) west of Denver, Colorado, southwest of Rocky Mountain National Park. As of the 2000 census, the town had a total population of 1525.
The town was founded in 1904 along the route of the Denver, Northwestern & Pacific Railway, and incorporated one year later. It was named after Granby Hillyer, a Denver lawyer who later served as the United States Attorney for that city's district.
Granby is 7935 feet above sea level. It is located at (40.086396, -105.936487), in an area subject to average annual rainfall of 12¼ inches and annual snowfall of more than 128 inches.
According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.6 km²), none of which is covered by water.