Abstract
The subject of this study is to clarify the properties of the dwelling environmental dual-system that has mutual relations between children and playgrounds in snowy districts. The results of this study are as follows ; 1) There are two types of playgrounds, one is the spaces where children play both for non-snowy and snowy periods, the other is only for either one. 2) The parks and the spaces around public facilities are the former type, which are hard to be affected by the fallen snow. 3) The streets and the vacant lands, that are the latter type, have the different properties. In snowy period, the vacant lands have the close relations with their homes, and the streets with the way from the school to their homes.
