Beware, the official ice-on date for big Lac des Roches is December 20th. While there was ice covering the all the water west of Eagle Island, all the way to Access #7, there was still open water across from Peaceful Cove at the east end prior to Dec 20th. The ice thickens fairly quickly but the natural springs will contribute to hundreds of thin spots until there is a build-up of ice from below, more like a foot deep. A resident measured 4 1/2 inches of ice in front of his cabin on Boultbee Road on December 20. Little Lac des Roches on the other hand, has supported ice fishers for the last month and was a play ground for snowmobiles just today, December 22. The ice will likely be safe for play between Christmas and New Year’s, but as always, users need to use extreme caution this early in the ice development process and …”if in doubt, don’t go out”.