is a city located in the western portion of Tokyo Metropolis, Japan. , the city had an estimated population of 80,177, and a population density of 1100 persons per km2. The total area of the city is . Geography Akiruno is located in the foothills of the Okutama Mountains of western Tokyo, approximately 40-50 kilometers from the center of Tokyo. The Aki River and Hirai River flow through the city. It measures approximately 18 kilometers form east-to-west by 12.7 kilometers from north-to-south. Because of its rich nature and calm surroundings compared to central Tokyo, and because of access to transportation, many tourists choose Akiruno for their vacation. Especially Seoto-no-yo Spa is famous for its high quality alkaline spring and is referred to as the “beautiful skin spa”. Also, Akiruno is one of the most popular place for BBQ, biking and hiking. One of the most famous trail running cups in Japan, The Hasetsune Cup, is held in Akiruno. Surrounding municipalities Tokyo Metropolis Fussa Hamura Ōme Hachioji Hinode Okutama Hinohara Climate Akiruno has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Akiruno is 13.2 °C. The average annual rainfall is 1998 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.6 °C, and lowest in January, at around1.9 °C. During the winter months, snowfall in the mountainous areas is almost daily. There is a difference in climate between the eastern part near the former Akigawa city and the western part near the former Itsukaichi town, and the temperature in the western part is generally lower than that in the eastern part. Demographics Per Japanese census data, the population of Akiruno increased slowly over the past century, History The area of present-day Akiruno was part of ancient Musashi Province. In the post-Meiji Restoration cadastral reform of July 22, 1878, the area became part of Nishitama District in Kanagawa Prefecture. The town of Itsukaichi was created on April 1, 1889, with the establishment of the modern municipalities system. Nishitama District was transferred to the administrative control of Tokyo Metropolis on April 1, 1893. Itsukaichi expanded through annexation of neighboring villages in 1918 and 1955. Higashiakiru, Nishiakiru, and Tasai grouped together on April 1, 1955, to form the town of Akigawa, which was elevated to city status on May 5, 1971.