Opening hours are 9am to 10pm.

Illumination is from 4:30pm to 10pm.

If you’re not fond of the huge crowds that the Sapporo Ice Festival brings, or simply want to get out and explore, then go see the wonderful ice sculptures and illumination (beautiful array of colours light up the ice sculptures) on display by one of the most beautiful lakes in Japan.
Open all week. Hot drinks and food stalls. Weekends include special activities.

For more info please click the link!

http://www.1000sai-chitose.or.jp/icefes.html

Keep exploring!