The very ancient bathrooms of Iran are very popular, beautiful, valuable and historical. The aspects of social, cultural, sanitationaland medical have been taken into account in these bathrooms. The people of Iran have had a long history about bathing and throughthe appearance of Islam it can be said that the interior architecture of the bathrooms were like each other in Iran. The present studyis about the very ancient historical bathroom of Ganbar Amu in Shabestar which dates back to the Qajar era. At present thementioned bathroom is being repaired so that its beauty and value can be preserved. This is a descriptive-analytical study and the maingoal of the study is to introduce the historical spaces of the ancient bathrooms and presenting a restoration polanning for the historicalbathrooms like Ganbar Amu bathroom in Shabestar.