This paper reveals the current situation of the regional tourism generating from Kangwon Land's visitors and estimates specifically the economic impacts on the regional tourism resulted from Kangwon Land's visitors using an interregional input-output model. The several previous studies have been conducted on the effects of Kangwon Land; however, the studies have been analyzed in the focus of a portion influenced through the inside of the corporation such as the sales or the investment which reveal only one side of the effects. For this reason, this paper estimates the effects of the other side which is the economic contribution of the corporation on regional tourism through the visitors attracted by Kangwon Land.