The Cedar Grove Community Club. Welcome to Cedarena, the old-fashioned outdoor ice rink located in the picturesque Rouge River valley in Markham, Ontario. Sorry, Cedarena is not open this season. There will be no public skating.

Cedarena Closed for this Year. Well another fabulous skating season has come and gone at Cedarena. After what has been one of the longest and coldest winters in a long long time, the temperature finally shot above Zero and the ice started melting almost instantly. It actually reached 11C in the sunshine on the north side of the rink this last Sunday, and the ice quickly softened and turned mushy. Gary Mount, Cedarena Manager, and CGCC President.

Home of the Dynamic Composting Technology. Dynamic composting is an accelerated composting technique which turns organic waste into a humus like material called compost. The reaction of dynamic composting takes only three days to achieve compared with up to ninety days in other composting techniques.