Hwanseongul Cave

환선굴

A huge limestone cave, cool even in summer

Hours
9am-5pm Mar-Oct, 9am-4pm Nov-Feb; closed on the 18th
Address
Hwanseon-ro, Singi-myeon, Samcheok

One of the largest limestone caves in Korea, cool inside even in midsummer, so bring a jacket. The mountain path to the entrance is steep and many take the monorail. Inside are huge chambers and waterfalls along the route.