Mount Aragats (Armenian: Արագած, also: Ալագյազ - Alagyaz) is a large andesitic-to-dacitic[5] stratovolcano in northwest Armenia about 40 km northwest of the capital city of Yerevan. It is the highest point in Armenia, located in the province of Aragatsotn, northwest from Yerevan. On its slopes are the Byurakan Observatory and the medieval Amberd Fortress. The observatory is a historically significant facility responsible for a number of important photographic surveys. Mount Aragats is a popular destination for tourists, especially in summer.[peacock term]