The mountainous region of Iya in Tokushima Prefecture is known as one of Japan's Three Most Secluded Areas. Within this treasured valley, the picturesque village of Ochiai is acclaimed for its scenic beauty and designated as a Preservation District for Groups of Important Historic Buildings. Here, guests can lodge in renovated thatched-roof houses and enjoy stays encircled by mountains. The village also has guided tours, led by local residents, that allow guests to explore the village's history while following ancient stone walls and village paths dating back to the Edo period (1603-1868).