Sado Island Near City of Niigata, Japan38.0N 138.3E
Sado Island is located in the Sea of Japan (East Sea), 32 miles (51 km) west of Honshu. It faces Niigata, the prefectural capital, across the Sado Strait. Here, the city of Niigata appears as a greyish brown area along the shoreline, and greenish sediments or algae are present in the strait.
With an area of 331 square miles (857 square km), it is the fifth largest Japanese island. Sado is crowned by two parallel mountain chains, with Sado City appearing as a tan area in the valley between them. The island’s topography includes dramatic precipices and ravines, mountain streams, and Lake Kamō, located near the central eastern shoreline.