South Korea offers a plethora of stunning hiking trails and outdoor destinations, ranging from rugged mountain peaks to serene coastal paths. Here are some popular ones:

1. Seoraksan National Park: Located in the northeast of South Korea, Seoraksan National Park is famous for its dramatic granite peaks, lush forests, and clear streams. The park offers a variety of hiking trails, including the challenging Dinosaur Ridge (Dinosaur Ridge Course) and the iconic Ulsanbawi Rock.

2. Jirisan National Park: As South Korea's largest national park, Jirisan boasts diverse ecosystems, ancient temples, and picturesque landscapes. Hikers can explore various trails, such as the challenging Cheonwangbong Peak Trail or the scenic Nogodan Plateau Trail.

3. Bukhansan National Park: Just a short distance from Seoul, Bukhansan National Park is a popular destination for outdoor enthusiasts. It offers numerous hiking trails, ranging from easy walks to challenging climbs. Don't miss the panoramic views from the summit of Baegundae Peak.

4. Jeju Olle Trail: The Jeju Olle Trail is a network of walking paths that traverse the beautiful island of Jeju. There are 26 designated routes, each showcasing different aspects of Jeju's coastal scenery, volcanic landscapes, and cultural heritage.

5. Hallasan National Park: Hallasan, a dormant volcano and South Korea's highest peak, is the centerpiece of Hallasan National Park on Jeju Island. Hikers can choose from various trails leading to the summit, including the popular Seongpanak and Gwaneumsa Trails.

6. Sobaeksan National Park: Located in the central region of South Korea, Sobaeksan National Park offers pristine wilderness, deep valleys, and lush forests. Hikers can explore trails like the Sobaeksan Circuit Course or hike to Birobong Peak for panoramic views.

7. Naejangsan National Park: Particularly renowned for its stunning autumn foliage, Naejangsan National Park offers picturesque hiking trails amid colorful maple trees and cascading waterfalls. The Naejangsa Temple and Baemsagol Valley are popular attractions within the park.

8. Taebaeksan Mountain Range: Stretching across Gangwon Province, the Taebaeksan Mountain Range offers a range of hiking opportunities, from leisurely walks to challenging climbs. Hikers can enjoy beautiful scenery year-round, with wildflowers in spring and snow-covered peaks in winter.

9. Juwangsan National Park: Known for its rugged rock formations and dense forests, Juwangsan National Park in the southeastern part of South Korea offers diverse hiking trails and scenic spots, including the picturesque Juwangsan Falls.

10. Hallyeo Haesang National Park: Along the southern coast of South Korea, Hallyeo Haesang National Park offers breathtaking coastal views, rocky cliffs, and picturesque islands. The Yeosu Dolsan Bridge and Geomundo Island are popular attractions within the park