Nature & Parks in Hamadan Province

The Ali Sadr Cave originally called Ali Saadr is the world's largest water cave which attracts thousands of visitors every year. It is located in Ali Sadr about 100 kilometers north of Hamadan.

Alvand or Alvand Kuh is a subrange of the Zagros Mountains in western Iran located 10 km south of the city of Hamedan with an elevation of 3580 metres.