Kick and Glide In the Beautiful Lakes Basin Cross Country! Escape to the serene tree-lined trails of Mammoth's scenic Lakes Basin for an unforgettable winter experience. Nineteen plus miles of freshly groomed skating, classic and snowshoe trails await cross-country skiers and snowshoers of all abilities. In the tranquility of the backcountry, only the sound of winter birds and your own locomotion fills your ears as the bustle of town dissolves. Experience the Sierra in a way few others do: come play in the woods.