Yakushima is an island in the southern sea. It`s well known for it lucious forests and interesting species that live there. You can fly there or go there by boat! Be sure to bring a raincoat though! Apparently it`s rainy there for the majority of the time. Aside from hiking around the island which there are other activities that you can enjoy there. Rent a car and tour the island, stay at a resort and relax, check out the hot springs!
Check out the turtles that come to Yakushima to lay their eggs from May-July.