1. Ashoro Museum of PaleontologyAshoro Cho Ashoro is a town located in Tokachi Subprefecture, Hokkaido, Japan. As of September 2016, the town has an estimated population of 7,150 and a density of 5.1 persons per km². The total area is 1,408.09 km². It was the largest municipality in Japan until the merger of Takayama City, Gifu Prefecture on February 1, 2005. Main industries of the town include dairying and farming of sugar beet and wheat. Lake Onnetō is a major attraction of the town and is a part of Akan National Park. From Wikipedia, the free encyclopedia.