Marimo of Lake Akan
Mount Apoi Alpine Plant Community
Irie and Takasago Shell Mounds
Usakumai Ruins
The Northernmost Area Where Japanese White Pine Grows
The Northernmost Area Where Utasai Beech Grows Naturally
Ezomikasaryu Fossil
Ebetsu Kofun Group
Odate Ruins
Ofune Ruins
Streaked Shearwater Breeding Grounds
Oyachi Shell Mound
Oshoro Stone Circle
Otafumbe Chashi Remains
Sakai Azalea Habitat at Cape Ochiishi
Otoe Stone Circle
Onneto Yunotaki Manganese Oxide Formation Site
Site of the Hokkaido Development Commission Sapporo Head
Kakinoshima Ruins