From this September, Mulgol Cave in Daei-ri, Singi-myeon, Samcheok City, Gangwon Province, will be open to the public. The city is sprucing up 50 caves found there to make them tourism sites. The second cave to be open to the public, following Hwanseon Cave, was found in 2003. It is a limestone cave that is estimated 500 million years old. It has more water than any other caves in Korea. At the entrance is an eight-meter-high waterfall. Mulgol Cave is 1.6 km length and tourists can see 600 meters from the entrance. The city invites names for the cave until the end of this month.