While less-known than popular destinations such as Cape Cod and the Berkshires, the Valley region of western and central Massachusetts is home to a wealth of natural areas, picturesque countryside, abundant wildlife, and historic sites connected by the watersheds of some of New England's most scenic rivers. Among the areas featured are the Deerfield River and Mohawk Trail, the National Wild and Scenic Westfield River, Quabbin Reservoir, southern New...