Wakayama have many rice firms, this is very different. river curves and make like rice island.
Aritagawa cho have some camping spot, but you have to reserve them.
the problem of Araji-jima is need times to go,and need car.but the road is under mountains along Arita river.beautiful and holy sight is there. the town have not much restaurants, but have some Onsen hot-springs and hotels.
the spot "Aragi-jima" is here
need car....from High way Arita IC to Aragi jima need 1hour.