Ashoro is located in southeastern Hokkaido in the northeastern part of the Tokachi Subprefecture. Its boundaries roughly encompass the middle reaches of the Tobetsu River, which flows from Rikubetsu to the north, and the basins of its tributaries, the Ashoro and Misatobetsu River basins. The Ishikari Mountains dominate the northwestern part, and the eastern edge is home to
Mount Meakan (1499 meters), giving it a high elevation.
Lake Onnetō is a major attraction of the town and is a part of
Akan National Park. The central southern part is flat along the Tobetsu River valley, where the urban center is located. It was the largest municipality in Japan until the merger of
Takayama City,
Gifu Prefecture on February 1, 2005. Some 83 percent of the town's land is forested. Ashoro is also known for its large
butterbur that can grow up to three meters tall and have a diameter of 10 cm. Butterbur plays such a significant role that the town mascot, Ayumi-chan, carries a piece of butterbur. Rawan butterbur is nationally renowned and has been designated as a Hokkaido Heritage.
Neighboring municipalities •
Kamishihoro •
Honbetsu •
Rikubetsu •
Oketo •
Tsubetsu •
Kushiro •
Shiranuka Climate According to the
Köppen climate classification, Ashoro has a
humid continental climate. It has large temperature differences, including large annual and daily temperature ranges. It receives heavy snowfall and is designated as a
heavy snow area. In winter, temperatures of around -25 °C are not uncommon, making it extremely cold. On average, Ashoro receives 846.5 mm of rain, with August being the wettest month (151 mm) and February the driest (4.5 mm). On average, temperatures vary from 23.2 degrees Celsius in August to -8 degrees Celsius in January. the population of Ashoro has declined in recent decades. ==History==