Abstract
This paper focuses on the sustainability of internal organizations and inhabitants' activities in Kitaochi settlement, Kora-town of Shiga Pref. Main findings include : 1) many internal organizations exist and settlement activities are carried mainly by the cooperation of plural organizations, 2) if one organization disappeared, the activities carried by the organization are succeeded to other organizations, 3) the way of the succession of activities to other organizations are classified into 5 patterns.