Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Itako Onsen flows in one of Japan's most picturesque canal cities, where the network of waterways threading through the town's historic district has earned Itako the romantic designation of a 'water town' — a landscape of willow-lined canals, traditional wooden bridges, and iris gardens that bursts into vivid purple and white bloom each June during the Ayame Festival, one of the Kanto region's most celebrated floral spectacles. The city sits within the Suigo Tsukuba Quasi-National Park, a protected wetland landscape stretching between the Tone and Kinu rivers where traditional canal boat tours reveal a watery world of lotus ponds, dragonflies, and traditional settlements largely hidden from the main roads. The onsen's siliceous mineral waters complement the canal city's water-centered identity, offering thermal bathing as another dimension of the intimate relationship between Itako's community and the richly varied waters that surround it.