Nagayu Onsen is a hot spring area famous for its carbonated hot springs, considered among the best in Japan, boasting exceptional carbon dioxide concentration, volume, and temperature.
Nagayu Onsen, located in Taketa City, Oita Prefecture, is renowned for its carbonated hot springs, considered among the best in Japan and the world, based on their carbon dioxide concentration, volume, and temperature. Its therapeutic effects, including drinking the spring water, are widely known. There are 36 hot spring sources in Nagayu Onsen, ranging from carbonic acid hydrogen salt springs to carbon dioxide springs. The color of the water varies from clear to a yellowish-white depending on the source. Nagayu Onsen has a long history as a spa town, dating back to the Nara period. The hot spring town features a variety of unique public bathhouses and communal bathhouses, perfect for day trips. The "Nagayu Onsen Ryojo Bunka-kan Gomenyu" is a Western-style hot spring facility with a rest area. The "Ramune Onsenkan" is a wooden cottage-style facility known for its clear carbonated spring water. The "Nagayu Rekishi Onsen Denshokan "Bansho-no-yu" offers a historical hot spring experience. "Ganiyu (Kaniyu)" is a free, mixed-gender, stone-built open-air bath located on the Serikawa Riverbed. Nagayu Onsen is nestled in a lush natural environment, offering stunning scenery beyond the hot springs themselves. Visitors can enjoy strolling through the town, hiking in the nearby mountains, fishing in the river, and many other activities. Nagayu Onsen provides a truly refreshing experience for both body and mind.