This study was carried out to get the basic data for obtaining water resources continuously. Water storage of forest land was estimated by effective water storage based on classifying soil pore. The results were summarized as follows : 1. Percentage of coarse pores were in the order : Forest$gt;Bare land$gt;Grasses. As soil depth increased, total pores, coarse pores, and maximum water content were decreased, while fine pores increased. 2. Soil pore percentage and physical properties of surface layer (0∼20㎝) were significantly different among forest floor conditions. However, there were no difference in soil pore percentage and physical properties in 20∼40㎝ and 40∼60㎝ according to forest floor conditions. In the same plot, on the other hand, soil pore percentage and physical properties were significantly different between surface layer(0∼20㎝) and 20∼40㎝, but there were no differences between 20∼40㎝ and 40∼60㎝. 3. Effective water storage was highly correlated with coarse pore in all plots. 4. The model for water storage capacity of each forest floor condition expressed by effective water storage was produced using coarse pores and soil depth.