City of Atsugi. Iiyama Hot spring. "Midorien" is located on the distance of almost 1 hour from Tomei Expressway Yoga Interchange. It is located close to mountain area where you can enjoy the beautiful view of forests and valleys surrounded by rich greenery of Ooyama and Tanzawa mountains. You will get woken up by the singing of birds. The water of Iiyama and Midorien hot springs is pure alkali water and it is always called the water of [hot spring of beautiful women] or [hot spring of beautiful skin] This is the closest hot spring to the city, where you can refresh your skin and heart.