Mount Isosannupuri

What it is

• A 581.2 meter tall mountain spanning Horonobe Town and Hamatonbetu Town
• The highest point in Horonobe Town located in the southern Soya Hills
• A peak with a name originating from the Ainu language
• A site featuring a first-class triangulation point at the summit

What to see

• A double peak profile when viewed from the Tonbetsu Plain
• A mountain body covered in thick brush with no established climbing trails

Notes written by Japan Gems from facts in Japanese Wikipedia.