This fifth volume in the popular Sierra Club Guides to the Natural Areas of the United States covers over two hundred natural areas, including three of the nation's most highly visited national parks -- Yellowstone, Grand Teton, and Glacier -- as well as attractive, little-known sites far from the crowds. Entries are listed alphabetically within eleven geographic zones, each entry offering a wealth of detail, including: -- Location: directions from the closest town or highway, and a key to adjacent wilderness areas -- Physical descriptions: topography and geography, weather patterns, acreage, outstanding natural features, and points of special interest -- Wildlife: birds, mammals, reptiles, and amphibians -- Flora: major plant species -- Recreation: opportunities for nature walks, picnicking, boating, camping, hiking, horseback riding, rafting, skiing, backpacking, hunting, fishing, swimming, and scenic drives -- Resources: park headquarters and ranger districts, visitor centers, publications, and maps -- Easy Reference: symbols tell at a glance the recreational opportunities at each site This magnificent and diverse natural region covers forty-six million acres of national forests, ten million acres of wilderness, and thirty-eight million acres of federal public domain -- including many fascinating sites listed in no other guidebook.