In the Iya Valley, the Iya River flows from Mount Tsurugi and passes through two main areas: Nishi Iya (West Iya) and Oku Iya (Inner or East Iya). West Iya is more accessible, with buses available from Awa-Ikeda and Oboke Stations, while Inner Iya is much harder to reach due to limited—or sometimes nonexistent—bus service.
To explore the valley comfortably, renting a car is highly recommended. Cars can be rented in Awa-Ikeda, Oboke, Takamatsu, or Tokushima. Be cautious, though—the roads are narrow and winding, with sharp curves that can be challenging to navigate. Buses from Awa-Ikeda and Oboke go to Iya Kazurabashi (with some also stopping at Iya Onsen) and Kubo, where you can transfer to travel deeper into the valley. Buses to Mount Tsurugi operate only on weekends and during peak travel seasons, and do not run in winter.
Iya Valley
The Iya Valley (祖谷渓, Iyakei) is a remote and breathtaking region nestled deep in the mountains of Tokushima Prefecture on Shikoku Island. Known for its dramatic landscapes, the valley is shaped by steep gorges and lush forests, offering a serene escape from the modern world. Visitors can experience the thrill of crossing traditional vine bridges like Iya Kazurabashi and Oku-Iya Kazurabashi, suspended over crystal-clear rivers and surrounded by untouched wilderness. The area also features soothing hot springs and a variety of outdoor activities, such as hiking, canyoning, and river rafting—making it a haven for nature lovers and adventure seekers alike.
The Iya Valley is not only celebrated for its natural splendor but also holds deep historical significance. After the Genpei War in the late 12th century, defeated members of the Taira Clan sought refuge in this isolated region. Over the centuries, their descendants quietly preserved their legacy in the valley and in other hidden enclaves like Shirakawago and the Noto Peninsula. Today, the Iya Valley offers a unique blend of living history, cultural heritage, and scenic wonder—an unforgettable journey into one of Japan’s most mysterious and enchanting landscapes.
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