The capital city of this region lies on the Toyohira River, and its Odori Park is a central location in its annual snow festival.
ER: Orinoco River [or Rio Orinoco]18. Seismic activity in this region can be attributed to the presence of peaks like Mt. Rishiri and Mount Tokachi, while it's Shiretoko National Park is famed for its isolation and bear population. The capital city of this region lies on the Toyohira River, and its Odori Park is a central location in its annual snow festival. One ethnic group from this region instigated Shakushain's revolt, while the Republic of ► Ezo was established in this region following the Boshin War. It is linked to its southern neighbor by the world's longest underwater tunnel, the Seikan Tunnel, which runs under the Tsugaru Strait. The traditional home of the Ainu, it is bounded on the north by the Sea of Okhotsk and exercises some control over the Kuril Islands. With capital at Sapporo, for 10 points, identify this least densely-populated and northernmost main island of Japan.
ER: Orinoco River [or Rio Orinoco]18. Seismic activity in this region can be attributed to the presence of peaks like Mt. Rishiri and Mount Tokachi, while it's Shiretoko National Park is famed for its isolation and bear population.
Hokkaido [accept Ezo before read]