By Car
Use Sanyo Express Way to Seto Chuo Express Way to Takamatsu Express Way. Exit at Zentsuji. 319 to 32 to south.
Iya (祖谷) is the western Tokushima prefecture. It has many beautiful valleys and mountains. Iya Valley, Oboke Valley and other many beautiful valley has beautiful scenery especially Koyo in autumn and green leaves in summer. Those valleys also offers great river activities. There are many great mountains for hiking as well.
Use Sanyo Express Way to Seto Chuo Express Way to Takamatsu Express Way. Exit at Zentsuji. 319 to 32 to south.
Use JR Setoohashi Line to Utazu Station. Change JR Yosan Line to Tadotsu Station. Change to JR Dosan Line to Oboke Station.