Many families head to the mountains of western North Carolina for summertime fun, but it turns out there’s plenty to do when the temperatures reach their icy lows, too. Winter activities in the area may require lots of extra layers—the average low temperature of the state’s western mountainous region drops to 20F in January, the coldest month of the year—but they are indeed available, and equally as fun. On a recent family reunion trip, 28 of my relatives rented separate cabins in the tiny town of Seven Devils, located in the heart of the North Carolina High Country, which put us within a short driving distance from many of western North Carolina’s charming attractions. Most family members drove from towns around Florida and Tennessee without stopping, but since the trip dates coincided with my husband’s birthday, we planned an early start to accommodate an extra couple of days in Charlotte, …