The Iya Valley section of Tokushima’s Miyoshi City is known as being one of Japan’s three “Hidden Regions”, and nestled within the valley is the serene Ryugugake Park. This tranquil location offers activities including swimming in the Iya River, picnicking and barbecuing with friends and family, and doing yoga within the lush landscape. Enjoying your time in Miyoshi City’s Iya ValleyWhile the Iya Valley has lots of great sights to discover, many people who stay at the cabins of Ryugugake Park use it as a base for sightseeing around the valley due to the central location. But there are also lo…