 Another historic road, coming from Kermanshah, leads towards Isfahan in central Iran and avoids the Alvand massif.Nahavand also lies on the branch of the Gamasab river which comes from the southeast from the vicinity of Borujerd; from Nahavand the Gamasab river flows westwards to Mount Behistun.Given Nahavand's location, it was the site of several battles, and was considered important in Iranian history during Iran's wars with its western neighbors.