Izusan Onsen Bathing Terrace

Izusan Onsen Bathing Terrace sits in the Izusan district on the hills above Atami City, Shizuoka, an elevated position that gives its panoramic outdoor bath a wide, uninterrupted view over Sagami Bay. The facility combines this outdoor bath with an indoor thermal pool and a sauna and steam room, forming a day-use bathing circuit fed by Atami's natural hot spring water. Izusan itself is one of the historic districts of Atami, known for shrines and hillside residences overlooking the coast, and the bathing terrace takes advantage of that elevated terrain in a way the waterfront-level facilities in central Atami cannot replicate. The outdoor bath is positioned to catch sunset views over the bay in the evening, making a later day-use slot popular despite the facility's relatively short operating window. As a resort hotel spa rather than a small ryokan, Izusan Onsen Bathing Terrace has more standardized day-use access than the smaller family-run baths elsewhere in Atami, though hours still vary seasonally and confirming ahead is worthwhile. The sauna and steam room provide a drier complement to the mineral baths, and the indoor thermal pool offers a sheltered option on days when the open-air terrace is less comfortable. The combination of elevation, panoramic views, and a fuller bathing circuit makes it a step up from the town's public bathhouses for visitors prioritizing scenery alongside the soak.