Why exercise in a gym during the winter, when you can dress warmly and play outside. Cross country skiing, snowshoeing, dog sledding, winter hiking, snowkiting and other outdoor adventures will give you plenty of exercise.
4. Winter Walking
Put on a pair of boots appropriate for walking in the snow and head for a local walking trail. Rails-to-Trails Conservancy has a free Web site that describes hundreds of trails around the country.5. Cross Country Skiing and Snowshoeing
Cross country skiing and snowshoeing both offer incredible aerobic exercise and it doesn't take a lot of training to enjoy either sport. All of the winter resorts in North America have a Nordic center, where you can rent cross country equipment and use the trails. January 8 is Winter Trails Day, when many Nordic center offer deals to get you on cross country skis or snowshoes. Even if you can't get out that day, the site offers links to many Nordic centers.
6. Get an Ice Ax and Pitons and Start Ice Climbing
All along the spine of the Rocky Mountains and westward you'll find avid ice climbers dangling from ropes on the icy sides of canyons and sheer cliffs. You can get ice climbing instruction in the world's first ice park in Ouray, and in the park oriented toward beginners in the Teton Ice Park.
7. Mushing Huskies Driving a Dog Sled
While sitting in the back of a dog sled doesn't take much energy, mushing the huskies and steering the sled does. Here are several places around North America where you can go dog sledding.8. Exercise in Cold Weather: Tips to Stay Outside Safely
Here's some sound advice on how to play and exercise outdoors in the winter safely offered by the Mayo Foundation for Medical Education and Research





