It usually is. There are a couple of land sections in between lakes. I haven’t been across it this year, but I have been out there in a heavy snow at night and had no problems. Beautiful chain during the day to gawk around.
Yes it is marked rough after the warm up, but filling back in with new snow. There was some open water last weekend in a channel on Morley lake but it has been marked and just stay to the outside of the barrels and should be fine.