Stone sluices composed by huge granite blocks were a kind of trademark in the reclaimed area of Okayama clan. They were introduced to Okayama clan and were spread out by masonry technocrat invited from Osaka area. This paper try to describe the development of the stone sluices based on the field and bibliographical survey.History of stonemasons, famous Jihei Kawachiya is also shown from a viewpoint of contributor for the construction of stone sluices