Tateyama Sanroku Onsen (Tateyama Mountain Foot Onsen)

Tateyama Sanroku Onsen refers to the cluster of hot spring bathing facilities at Ashikuraji, the base village of the Tateyama Kurobe Alpine Route in Toyama City, Toyama Prefecture. Several neighboring properties, including the Tateyama International Hotel, Yamabiko, and Crayon House, each operate their own day-use hot spring baths drawing on the same local mineral spring source, giving visitors a choice of facility rather than a single centralized spa. The spring water here is often described locally as bijin-no-yu, or beauty bath water, valued for a smooth, skin-softening effect attributed to its mineral content. Bathing is communal and gender-separated, typically combining an indoor bath with a smaller outdoor or window-facing bath looking toward the Tateyama mountain range, the gateway to the Alpine Route's cable car and highway bus connections into the Northern Alps. As with most facilities in this cluster, there is no individual spa treatment menu, therapist roster, or esthetic service; the wellness offering is limited to hot spring soaking, making it a stopover for hikers and Alpine Route travelers rather than a resort spa destination. There are no meditation rooms, saunas, or overnight accommodation tied to the bathing facilities themselves, though the neighboring hotels do offer separate lodging. Because hours and days closed vary by facility and can change seasonally, particularly outside the Alpine Route's operating season from mid-April to late November, visitors should confirm the current schedule with the specific facility they plan to visit before arriving. Day-use pricing is uniformly inexpensive, generally under ¥1,000, reflecting the facilities' role as a functional stopover bath rather than a premium spa experience.