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Ali Sadr is an 11-kilometer long cave believed to be 70 million years old. Considered the world's largest water cave, Ali Sadr has several deep lakes. Boats can be used to navigate the river flowing through the cave to reach the island at the end. Archeological studies of the cave have yielded artifacts dating back to 12,000 years ago.

Ali Sadr Cave

  • Address

    Hamadan Province, Ali Sadr