The La Perouse Strait separates this island from its northern neighbor. Cities on this island include Date, Mombetsu, and Muroran. The Ishikari River runs its course through Asahikawa and is considered the third longest river in its country. It is connected to the other islands in its country by the Seikan Tunnel underneath the Tsuguru Strait.   Iturup, Sikotan, and Kunasir Island will become part of its prefecture, if a peace treaty transfers these islands from Russia. The island's largest city of Sapporo was the host city for the 1972Winter Olympics. This is, for 10 points, what island, the northernmost of Japan?
The La Perouse Strait separates this island from its northern neighbor. Cities on this island include Date, Mombetsu, and Muroran. The Ishikari River runs its course through Asahikawa and is considered the third longest river in its country. It is connected to the other islands in its country by the Seikan Tunnel underneath the Tsuguru Strait.   Iturup, Sikotan, and Kunasir Island will become part of its prefecture, if a peace treaty transfers these islands from Russia. The island's largest city of Sapporo was the host city for the 1972Winter Olympics. This is, for 10 points, what island, the northernmost of Japan?
The La Perouse Strait separates this island from its northern neighbor.
{Hokkaido}