Kiyomasa is well known feudal warlord and mastery at fortification, so skillful as civil engineer that he was titled as “Lord of construction”. Judging from these facts, possibility of the legend remains correctly.

This well is unique and ingenious way of sinking method and pure water gushing out in a steady flow all year round. The peculiar of this well must be Yoko-ido by horizontally digging method, therefore Kiyomasa could be the engineer who produced this well. Recently this well’s architecture was verified as Yoko-ido. (Normally well is digging vertically)

The Kiyomasa’s Well is realized on the Dragon Stream ( Energy stream of under ground ) from Mt. Fuji to Imperial Palace and at the hole of out gushing energy called Dragon Hole, people believe the well as power spot for getting magic power of Feng Shui, became so famous that people visit to take a photo of the clear water in the well and set it as phone’s lock screen and background.