Aridagawa

• Aragijima | Aragijima Observatory, Mita, Arida-cho, Arida-gun, Wakayama, Wakayama, 643-0511 | Aridagawa Town Office

Rivers

Arida River

• Ao No. 2 upstream and downstream sides, Arida River  | Ao, Aridagawa-cho, Arita-gun, Wakayama Prefecture 643-0366 | Wakayama Prefectural Office
• Upstream and Downstream Sides, Ichiba, Arida River | Aridagawacho Ichiba, Arida-gun, Wakayama Prefecture 643-0144 | Wakayama Prefectural Office
• Futagawa Dam Upstream and Downstream Sides, Arida River | Aridagawa Futagawa Dam, Futagawa, Aridagawa-cho, Arida-gun, Wakayama Prefecture 643-0541 | Wakayama Prefectural Office
• Ao, Arida River | Ao, Aridagawa-cho, Arida-gun, Wakayama Prefecture 643-0366 | Wakayama Prefectural Office
• Kanaya Water Level Observation Station, Arida River | Kanaya, Aridagawa-cho, Arida-gun, Wakayama Prefecture 643-0152 | Wakayama Prefectural Office