a lake surrounded by mountains under a blue sky

Band-e Amir National Park (Persian: بند امیر) is a national park located in the Bamyan Province of central Afghanistan. It is a series of six deep blue lakes separated by natural dams made of travertine, a mineral deposit. The lakes are situated in the Hindu Kush mountains at approximately 3000 m of elevation, west of the famous Buddhas of Bamiyan.