noun
spa hotel; hot spring resort; health facility
A facility offering health and relaxation services, often including hot springs, saunas, and medical wellness programs. The term is used in Japan for German-style spa resorts.
from German Kurhaus
週末にクアハウスで温泉とマッサージを楽しんだ。
I enjoyed the hot springs and a massage at the spa hotel over the weekend.
そのクアハウスは健康増進プログラムが充実している。
That health facility has extensive wellness programs.