slatham;c-61762 wroteI think there is a cross country area in Maine that does this too. And same concept - just shorter duration - for Magics early June West River Cross Country event.
Craftsbury VT does it. Nordic and alpine areas all over Europe do it, as do glacier ski aras like Sölden, Austria (using stored snow for the WC races later this month
Pass Thurn, just above Kitzbühel, Austria had a full slope open last fall from stored snow.