Camping or backpacking in winter is appealing for many who enjoy the serenity of wilderness settings without the crowds and bustle of the summer season. But as rewarding as they can be, these outings require special preparation and a different set of skills than are necessary at other times of the year. Snowfall can quickly cover one's tracks and make orientation difficult. Hypothermia is insidious, and rapidly changing weather conditions can become treacherous, even life-threatening.

In addition to those who are exploring the outdoors recreationally, there are also those who find...