It is a mountain where Hwanseongul Cave is located, and the entire area of ​​Deokhangsan Mountain is designated as a natural monument as the Daei Cave area. It is located within Daeiri County Park in Singi-myeon, and on the hillside is Hwanseongul Cave, the largest cave in Asia and called underground Geumgangsan Mountain. Each peak boasts a unique beauty, and the mountainous terrain is cozy, like “a woman’s embrace,” making it a mountain that makes you feel cozy the moment you enter the entrance. It is a beautiful mountain with Byeongpungam, made up of strangely shaped rocks, spreading to the southeast. Many folk relics, such as Neowajip, Gulpijip, and Tongbanga, are preserved in their natural surroundings, and there is a constant flow of hikers.

[100 Wild Flowers Selected by the Korea Forest Service Great attraction]
Deokhangsan Mountain (1072.9m) in Gangwon-do is one of the limestone areas with the largest area of ​​exposed limestone walls in South Korea among mountainous areas over 1,000m above sea level. In terms of administrative district, it spans Samcheok-si and Taebaek-si, and as the stem of the Baekdudaegan Mountain Range, it is connected to Cheongoksan Mountain and Dutasan Mountain to the north, and to subalpine mountain areas such as Hambaeksan Mountain and Taebaeksan Mountain to the south. The Deokhangsan area is known to be an important place in phytogeography as it is home to a large number of endemic and rare plants, and is the southern limit of many northern plants. Wild flowers that can be easily observed in Deokhangsan Mountain in June include peonies, dandelions, wild peas, sesame seeds, and cotton bats in the limestone area on the way up to Hwanseongul Cave, and thyme and turmeric in the section between Golmal and Jiamjae. You can observe grass, lilies, bellflowers, etc.