If Emerald Lake’s jade waters don’t lure you, its eponymous lodge will. In the midst of British Columbia’s Yoho National Park, the holidays pass with rustic, Canadian panache. Think caroling around an outdoor fire, ice skating and broom ball on the frozen lake, and a gift from the hotel delivered to your room on Christmas morning. Coloring contests, a reading of “The Night Before Christmas,” and a visit from Saint Nick himself keep youngsters merry.