Abstract
In this study, it aimed to present the necessity of watershed partnership by the regional management activity in the Sagami watershed. The expectation as a center group from the organization to watershed partnership is had from the watershed conference with the aspect of the watershed management. The watershed conference makes the best use of the feature as the organization, and the source region and the watershed of the role that cooperates the watershed and ties are large in the downstream region. The role that watershed partnership with the downstream region plays for the source region and the upstream region is large, and is necessary and indispensable in the future.
