Terra Incognito



Boulder Nederland 1:33,000 scale

4th Edition

Lefthand Canyon, Colorado. Quicktime, 3D Fly Over, 362K

Wagon Wheel Gap
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Green Mountain
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The map scale is 1:33,000, revealing Boulder Mountain Parks, Eldora, Eldorado Springs, Flagstaff, the Flatirons, Foothills, Gold Hill, Gross Reservoir, Gunbarrel, Jamestown, Magnolia, Nederland, Roosevelt National Forest, Sourdough Trail, Ward and more in great detail.

Extensive field scouting and research went into designing this map. The result is an accurate and up-to-date trail map packed with information. Several trails are published here for the first time. Historical routes are also shown.

Many local outdoor enthusiasts were amazed to see this top notch map!

Map Features

  • Shading and color tints enhance elevation cues and organize this complex terrain.
  • Trail rating symbols include difficult, moderate and easy allowing people to plan the difficulty of their outing. Key roads are also rated for road biking (paved) and mountain biking (unpaved).
  • Singletrack symbol for mountain biking. Trail descriptions include directions, trail lengths, elevation gains, noteworthy features and more.
  • Historic routes shown for reference.
  • Ideal contour intervals (50 feet) set to improve visualization of terrain forms and maximize elevation information. Extensive spot elevations.
  • Careful mapping and graphic stressing of the natural hydrography to improve comprehension of terrain forms.
  • Full UTM grid for easy use with GPS receivers. Alpha-numeric grid for location trails.
  • Printed on waterproof, tear-tough material for years of hands-on use.
  • Map Coverage: