Danial Cave
Ghar-e-Danial is another popular tourist attraction in Iran (Danial Cave). After Quri Qala Cave, Danial Cave is the second river cave in Mazandaran Province, Salman Shahr. The cave's river isn't very deep; most of the cave's river isn't more than one meter deep. The water in most caves contains a significant amount of minerals, limestones, and other minerals. This is not the case with the Danial Cave River, which boasts crystal clear water with a low mineral content.
Danial Cave reaches a height of almost 2,100 meters and a depth of more than 70 meters. The cave's mouth is situated at a height of 160 meters above sea level. To pass via the Danial Cave, one must cross the entire way through water. Talar-e-Rizan (Rizan Hall) with hanging rock formations (Stalactites) and Talar-e-Khofash (Bat Hall) with foul odors are two of the cave's sections.
Location: the mountain range of Alborz