Also know as gullies, drainages, ravines, and couloirs, valleys are indicated by “V“or ”U“ shaped contour lines that “point” uphill, toward higher elevation. Valley: A landform with a depression in which water, if present, would flow down.The summit may be marked with a name, an “X”, or an elevation. Peak: A mountain or hill that is marked by concentric contour lines.You can pick out major land features on the map by the way the contour lines are shaped. Identifying Features with Contour LinesĬontour lines show more than just the steepness of a slope or the elevation of a peak. Whitney’s west face is marked by low-angle slopes, as depicted by the wide-spaced contour lines. Find an hourglass-shaped topo line for the saddle between your knuckles.Ĭalifornia’s Mount Whitney, at 14,505 feet, the tallest mountain in the lower 48 states, is steep on its east face as indicated by the closely spaced contour lines. The areas by your fingers have contour lines that are close together, indicating steepness. Notice the “v” shaped topo lines where the ravines were between your fingers. Find the spread out contour lines on the back of your hand, indicating a gentle slope.
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