Waterproof, Tear-Resistant, Topographic Map. This Grand Teton National Park Day Hikes Topographic Map Guide contains detailed maps for 17 of Grand Teton's finest day hikes. It includes well-known hikes, together with a few off-the-beaten-path trails. More convenient and easier to use than folded maps, but just as compact and lightweight, National Geographic's Topographic Map Guide booklets are printed on 'Backcountry Tough' waterproof, tear-resistant paper with stainless steel staples. A full UTM grid is printed on the map to aid with GPS navigation. Map Scale = 1:31,680 Folded Size = 4.25 x 9.38 inches