Iya Valley and Oboke-Koboke Gorges White-Water Rafting

Happy Raft (ハッピーラフト). ハッピーラフト Rafting down the wild Yoshino River's rocky gorges is one of this region's great thrills, and this company is your best bet for well-trained bilingual guides and friendly service. Half-day trips cost ¥7,500 in high season, but you'll wish you had done the full day for ¥15,500. You can also try a longer combination rafting-and-canyoning trip. The staff are a great resource for travel tips about the area. 221-1 Ikadagi Otoyo-cho Nagaoka-gun , Kochi, Kochi-ken, 789-0158. 088/775–0500; en.happyraft.com. From ¥7,500.