Iya Valley is a remote mountain valley in Miyoshi, Tokushima Prefecture, known for deep gorges, vine bridges, hot springs, thatched hamlets, and slow roads through western Shikoku. It is a true stay-base destination for travelers who want rural Japan, walking, rafting, and dramatic scenery.
Visit Iya Valley for vine bridges, Oboke and Koboke gorges, hot springs, and one of Shikoku's most atmospheric mountain landscapes.
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bridge admission range
Time
1 hour
Cost
¥550*–¥700*
Effort
Easy
boat fare varies by operator and visitor type
Time
1 hour
Cost
¥1.5k*–¥2k*
Effort
Easy
seasonal rafting price varies by operator
Time
Half day
Cost
¥6k*–¥12k*
Effort
Easy
This destination has a high-altitude climate with temperatures ranging from 10°C to 18°C annually.
Climate averages based on 10-year historical data · Open-Meteo
Pleasant weather, lighter crowds — the sweet spot.
Busiest months — book stays & transport early.
Quietest window with the lowest prices.
Most travelers enter via Awa-Ikeda, Oboke, or Kotohira, then use limited buses, taxis, or rental cars on narrow mountain roads.