BOSTON MAGAZINE -- To snowshoe or to cross-country ski? That’s the most stressful decision you’ll have to make during a winter adventure up north this month. The Pickering House Inn, a newly opened boutique hotel near Lake Winnipesaukee, is offering an equal parts invigorating and relaxing special for the cold-weather enthusiasts among us. Book the inn’s “Winter Adventure Package,” and receive two vouchers for cross country ski or snowshoe rentals, plus a day pass to the Sewall Woods, a well-groomed set of trails within walking distance from the Pickering House Inn.