The Jeju Olle Trail is a network of scenic walking paths located on Jeju Island, South Korea. Spanning over 426 kilometers, the trail consists of 26 different routes that showcase the island's diverse landscapes, including coastal views, volcanic formations, and lush forests. It was established in 2007 to promote eco-tourism and provide visitors with an immersive experience of Jeju's natural beauty. Each route varies in difficulty and length, making it accessible for hikers of all skill levels. Along the way, walkers can enjoy local culture, traditional villages, and unique flora and fauna. The Jeju Olle Trail is a popular destination for both tourists and locals seeking outdoor adventure.