Seosan Gaesimsa Temple (개심사(서산))

3.2Km 2021-09-18

321-86, Gaesimsa-ro, Seosan-si, Chungcheongnam-do
+82-41-688-2256

Situated in a dense forest in Sangwangsan Mountain and 6 kilometers away from Haemi-myeon, Gaesimsa Temple is one of the four major temples in Chungcheongnam-do. The path from the parking lot to the temple site is quite remote and curved, but beautiful especially in spring when cherry blossoms are in full bloom.

The temple was built in 1484 during the 15th year of King Seongjong and designated as a Treasure. The architecture of the temple stands out, as the buildings use bent tree trunks for pillars.

Myeoncheoneupseong Walled Town, Dangjin (당진면천읍성)

4.8Km 2023-07-17

14 Mongsan-gil, Dangjin-si, Chungcheongnam-do

Since the ancient days, the city of Dangjin was where an important sea route to China existed along with Seosan and Taean. Not only was it an essential trading post with China, it was also a critical military hub. Myeoncheoneupseong Walled Town is widely known to have been constructed in the 16th year of King Chungnyeol's reign in the Goryeo Dynasty (1290) but many believe that it had actually existed ever since the early Baekje period for the purpose of stopping foreign invasions. Myeoncheoneupseong was a fortress that had four main gates in the east, west, south and north.

Seosan House of Yu Gibang (서산 유기방가옥)

6.4Km 2024-03-11

72-10 Imunan-gil, Seosan-si, Chungcheongnam-do

House of Yu Gibang was built in the early 1900s and measures 4,770㎡. As a valuable historical asset, it was designated as a Chungcheongnam-do Folk Culture Heritage on October 31, 2005. The house faces south on a low mountain with a thick pine forest background. A courtyard is at the center of the house, created by the straight line-shaped anchae to the north, the haengnangchae to the west, and a chat room with anchae to the east. Initially, there was a middle gate in front of the anchae, but it was demolished in 1988 and replaced with a pavilion-shaped gate as seen now.

Seosan Gayasan Mountain (가야산(서산))

7.7Km 2022-11-17

Sansu-ri, Seosan-si, Chuncheongnam-do
+82-41-662-2113

Gayasan Mountain has easy and enjoyable hiking trails connecting Gayabong Peak, the main peak, with other peaks and mountains, namely Wonhyobong Peak (677 m), Ogyangbong Peak (621.4 m), Illaksan Mountain (521.4 m), Sujeongbong Peak (453 m), and Sangwangsan Mountain (307.2 m). The trails are as easy and suitable for all hikers including the elderly and young hikers. A distant view of the west sea is even visible from the top of the mountain. Gayasan Mountain offers amazing scenery all year round, most notably in spring when azaleas, royal azaleas, and an array of wildflowers are in full bloom.

The mountain also contains the Seosan Rock-carved Buddha Triad (National Treasure), which is considered the best rock-carved Buddha from the Baekje period. The mountain is also home to Bowonsa Temple Site, Gaesimsa Temple, and Illaksa Temple. With one National Treasure, six Treasures, and four cultural heritages preserved on the mountain, it is safe to say that Gayasan Mountain is the heart of Naepo Culture Zone (northwestern region of the province of Chungcheongnam-do), making the entire mountain a cultural asset.

Haemieupseong Walled Town (서산 해미읍성)

8.2Km 2025-08-06

143 Nammun 2-ro, Seosan-si, Chungcheongnam-do

Haemieupseong Walled Town is a representative fortress from the Joseon period. Additional famous walled towns in Korea include Gochangeupseong Walled Town and Naganeupseong Walled Town. Haemieupseong Walled Town was established in 1491 during the 22nd year of King Seongjong. Its perimeter is approximately 1.8 kilometers, the x_height is 5 meters, and total area is 196,381 m², making it a huge fortress. Through restoration and purification projects, its old image has been restored as a historic park and it is famous as a site of Catholic martyrs' in the late Joseon era.

During the persecution of Catholics, many Catholics from Chungcheong-do were forced to come to Haemieupseong Walled Town where the administration office was located. Upon arrival, they were tortured to death. In particular, approximately 1,000 people are recorded as having been executed during the persecution in 1866.

The plaza inside of the fortress has a prison site where Catholics were chained up under the Daewongun government, and a gigantic old tree which was the tree used for torturing. The stones which were used for thrashing are located outside of a fortress gate and have become a holy place.

Seosan Haemi Eupseong Festival (서산해미읍성축제)

8.3Km 2025-07-29

143 Nammun 2-ro, Seosan-si, Chungcheongnam-do
+82-41-660-2696

The Seosan Haemi Eupseong Festival is a cultural festival held at Seosan Haemieupseong Walled Town, an ancient fortress with a 600-year history. The festival combines light, music, and the historic fortress to create a fantastic nighttime scenery and offers content for all generations. During the day, visitors can enjoy sophisticated performances while picnicking, and at night, they can partake in a vibrant evening stroll.

Birth Home of Queen Jeongsun (정순왕후생가)

8.5Km 2024-02-22

39 Handari-gil, Eumam-myeon, Seosan-si, Chungcheongnam-do

Birth Home of Queen Jeongsun is the house where Queen Jeongsun (1745-1805), the queen consort of King Yeongjo (1694-1776), the 21st monarch of the Joseon dynasty (1392-1897), lived until she became queen in 1759. It is estimated to have been built in the 17th century and features the architectural characteristics of hanok, with its distinctive "ㅁ" shape and tiled roof.

Agroland Taeshin Farm (아그로랜드 태신목장)

9.4Km 2023-07-17

231 Sangmong 2-gil, Yesan-gun, Chungcheongnam-do

Agroland Taeshin Farm was first established during the Quickening period of the Korean dairy farming industry and has been striving ceaselessly for the growth of the livestock industry. It was the first farm in Korea to be certified as a "dairy experience farm" and, since its opening in 2004, it has enabled visitors to experience the farm and its cows and livestock. It offers a pastoral view of green grassland and an experience of being around cows. Visitors can also take part in a variety of dairy experiences as they milk cows themselves in the experience room, feed them grass and food in the green plains and use the milk to make ice cream or shaved ice.

Onyun Private Villa [Korea Quality]온연 프라이빗 빌라[한국관광 품질인증]

9.8Km 2023-05-23

69-5, Oncheondanji 1-ro, Yesan-gun, Chungcheongnam-do
+82-41-337-1888

Onyun Private Villa is a hot-spring stay in Deoksan Hot Spring Complex, Yesan, Chungcheongnam-do. The villa is rented out as a single house, and has an open-air hot-spring bath on the terrace - a perfect place to sooth away fatigue.

Splas Resom (스플라스 리솜)

9.9Km 2024-06-05

45-7, Oncheondanji 3-ro, Yesan-gun, Chungcheongnam-do

Splas Resom, previously called Resom Spa Castle, is Korea’s first membership spa resort. Spa Castle is located in Yesan, Chungcheongnam-do, which is only an hour and a half drive away from Seoul. It is within 30 minutes drive from beautiful mountains, the western seas, and close to plenty of cultural tourist attractions.

Splas Resom uses waters from the Deoksan hot springs, whose waters have been enjoyed by Koreans for six hundred years. The resort is equipped with a large banquet hall, seminar room, and a relaxation complex that includes everything from a cultural arts plaza, to a garden, and walking trails.

The hot spring waters are known to be effective against skin troubles, gastroenteric disorders, neuralgia, and muscular pains, and are also great for skin rejuvenation.

Seosan Gaesimsa Temple (개심사(서산)) - Area information - Korea travel information