An annual autumn walking celebration traversing picturesque stretches of the 437 km Jeju Olle perimeter trail network. Thousands of local and international hikers walk alongside ocean cliffs, citrus orchards, and basalt stone walls. Villagers prepare authentic coastal snacks, folk dances, and acoustic concerts at intermediate waypoints. Advance registration approx. 25,000 KRW (includes official pass, gifts, and meal vouchers).