To provide a snow storage capable of effectively collecting available cold energy while saving energy, and used in a cold energy system with economical installation cost performance.

This snow storage 1 having a heat insulating structure capable of storing snow for a long period, is provided with air supply/discharge portions 2, 2 comprising dampers 21, 21 on its side wall portions, and further provided with a control device 3 for automatically opening and closing the dampers 21, 21 of the air supply/discharge portions 2, 2 when an outside air temperature sensor 31 detects the outside air temperature of 0 degree or less.