Provides detailed digital topographic maps, comparable to 1:24,000 scale USGS maps. Contains detailed hydrographic features, including, coastlines, lake and river shorelines. Provides elevation profile on compatible Garmin devices so you can estimate. Contains many routable trails, rural roads, city neighborhood roads. Outdoor enthusiasts: your adventure is waiting — in vivid detail. TOPO U.S. 24K – Northwest brings you the highest level of topographic detail available, with maps comparable to 1:24,000 scale USGS maps. These highly detailed maps include terrain contours, topo elevations, summits, routable roads and trails, parks, coastlines, rivers, lakes and geographical points — and they also display 3-D terrain shading on compatible devices. TOPO maps are ideal for hiking, hunting, camping, cycling and communing with nature. Coverage includes topographic detail of Washington and Oregon.