1. Naejangsan National Park
Naejangsan National Park is one of the most popular spots for fall foliage in South Korea, with stunning views of the park's maple and ginkgo trees. The park also has several hiking trails that offer great views of the surrounding mountains.

2. Seoraksan National Park
Seoraksan National Park is a UNESCO Biosphere Reserve and one of the most beautiful places to see fall foliage in South Korea. The park is home to a variety of trees, including maple, oak, and birch, which turn brilliant shades of red and gold in the fall.

3. Daedunsan Provincial Park
Daedunsan Provincial Park is located in central South Korea and is known for its suspension bridge, which offers stunning views of the park's fall foliage. The park is also home to several hiking trails and a cable car that takes visitors to the top of the mountain.

4. Bukhansan National Park
Bukhansan National Park is located just outside of Seoul and is a popular spot for fall foliage viewing. The park has several hiking trails that offer great views of the city and the surrounding mountains, as well as the park's colorful foliage.

5. Gyeongju
Gyeongju is a historic city located in the southeast of South Korea, and it's also a great spot for fall foliage viewing. The city has several historic sites, including the Bulguksa Temple and the Seokguram Grotto, which are especially beautiful in the fall.

6. Jeju Island
Jeju Island is a popular tourist destination year-round, but it's also a great spot for fall foliage. The island is home to several parks and hiking trails that offer great views of the island's colorful foliage.

7. Haeinsa Temple
Haeinsa Temple is located in the south of South Korea and is known for its Tripitaka Koreana, a collection of Buddhist scriptures that dates back to the 13th century. The temple is also surrounded by beautiful fall foliage, which makes for a stunning backdrop to the temple's historic buildings.

8. Gwangjuho Lake Eco Park
Gwangjuho Lake Eco Park is located in the southwest of South Korea and is a popular spot for fall foliage viewing. The park is home to several walking trails and a lake, which reflect the park's colorful foliage.

These are just a few of the best places to see fall foliage in South Korea. No matter where you go, the sight of the country's colorful leaves in autumn is sure to take your breath away.