Lesotho is 50 times larger than Great Sand Dunes National Park and Preserve.
Area: 30,355 km2 World Factbook
Population: 1,942,008 (July 2014) World Factbook
Lesotho, officially the Kingdom of Lesotho, is a landlocked country completely surrounded by South Africa. It is just over 30,000 km² in size and has a population slightly over two million. Its capital and largest city is Maseru. Lesotho is a member of the Commonwealth of Nations. Wikipedia
Area: 606 km2 calculated
Great Sand Dunes National Park and Preserve is a United States National Park located in the San Luis Valley, in the easternmost parts of Alamosa County and Saguache County, Colorado, United States. Wikipedia