Ali Sadr Cave is a cave located about 100 kilometers north of Hamedan in western Iran .The cave walls can extend up to 40 meters high, and it contains several large, deep lakes. The cave has a river flowing through it and most travel through the cave system is done with a boat. Ali Sadr cave is situated between the large cities in Hamadan, Tehran and Qom making it a popular destination for Persians. This page is about city of Hamedan. ... A lake is a body of water surrounded by land. ... Ganj nameh, Darius the Great inscriptions (5th century BC) This page is about the city of Hamedan. ... Tehran (also spelled Teheran) (تهران in Persian), population 8,000,000 (metropolitan: 10,000,000), is the capital of Iran and one of the major world cities. ... Qom is famous for the shrine of Hazrat Masoumeh, first built in the late 8th century. ... ...

The cave was originally discovered during the reign of Darius I (521-485 BC) which can be verified by an old inscription at the entrance of the tunnel. However, the knowledge of the existence of the tunnel was lost, and only rediscovered in 1978 when a local shepherd followed the tunnel searching for water or a lost goat. Seal of Darius I, showing the king hunting on his chariot, and the symbol of Ahuramazda Darius the Great (Old Persian Dārayawuš: He Who Holds Firm the Good), was the son of Hystaspes and Persian Emperor from 521 BC to 485 BC. His name in Modern Persian is داریوش (D... Centuries: 7th century BC - 6th century BC - 5th century BC Decades: 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC Events 529 BC - Cambyses II succeeds his father Cyrus as ruler of Persia. ... Centuries: 6th century BC - 5th century BC - 4th century BC Decades: 530s BC 520s BC 510s BC 500s BC 490s BC - 480s BC - 470s BC 460s BC 450s BC 440s BC 430s BC Years: 490 BC 489 BC 488 BC 487 BC 486 BC - 485 BC - 484 BC - 483 BC... 1978 was a common year starting on Sunday (the link is to a full 1978 calendar). ... In a draw in a mountainous region, a shepherd guides a flock of about 20 sheep amidst scrub and olive trees. ... Species See Species and subspecies A goat is an animal in the genus Capra, which consists of nine species: the Ibex, the West Caucasian Tur, the East Caucasian Tur, the Markhor, and the Wild Goat. ...

In the summer of 2001, a German/British expedition surveyed the cave to be 11 kilometers long. The main chamber of the cave is 100 meters by 50 meters and 40 meters high. 2001: A Space Odyssey. ...