Kofin spa wani akwati ne mai tofi da ke kaiwa kasan kwandon. A mafi yawan lokuta, an haɗa muzzle zuwa kunne, wanda aka riƙe kofin. 
Spa kofin a spa colonnade suna da alaƙa ta kusa.
Lokacin amfani da ruwan zafi a cikin gastroenterology da nephrology, jinkirin shan ruwan bazara yayin tafiya yana da mahimmanci don aikin da ya dace. Kuma saboda wannan dalili akwai colonnades a cikin spa (a cikin ma'anar ma'anar tsari na shafi), wanda aka yi niyya don yawo tare da kofin spa a kowane yanayi.
