is an onsen located in the city of Matsumoto, Nagano Prefecture, Japan. The Asama Hot Spring Center, also known as the Hot Plaza Hall, has a configuration typical of many Japanese onsen with separate areas for males and females; each area contains multiple indoor pools, saunas and two outdoor pools, one hot and one cold. The published temperature range of this onsen is 42-47 degrees Celsius. Between 1969 and 2011, Asama Onsen included an open-air speed skating rink. References External links Guide to Asama Onsen by Asama-onsen Hot Spring, by JNTO Outline of Asama Onsen, by the Asama Hot Spring - Hot Plaza Asama by the City of Matsumoto Hot springs of Nagano Prefecture Speed skating venues in Japan