“Shadow Mountain,” a U.S. Geological Survey topographical map first dated 1958 and bearing a 1978 imprint, captures a dramatic high-country corner of Grand County, Colorado, where water, forest, and mountain relief define the landscape. At a 1:24,000 scale, the map presents the area around Lake Granby, Grand Lake, Shadow Mountain Reservoir, and the western margin of Rocky Mountain National Park with the precision and restraint characteristic of mid-century USGS cartography. Its title evokes the prominent Shadow Mountain area, but the sheet’s true richness lies in its interlocking geography: natural lakes, engineered reservoirs, winding roads, steep slopes, and the intricate drainage patterns that descend from the Continental Divide toward the Colorado River headwaters.

The U.S. Geological Survey, established in 1879, became the preeminent American authority for mapping the nation’s terrain, and this sheet reflects the agency’s mature topographic language. Fine contour lines describe the rise and fall of ridges, basins, and passes, translating rugged mountain country into an elegant graphic system. Lake surfaces and reservoirs provide calm visual counterpoints to the tightly drawn elevation marks of surrounding hillsides. Roads, trails, creeks, shorelines, and built features are integrated with the clarity expected of USGS quadrangles, making the map both scientifically rigorous and visually compelling. In this region, where access routes thread carefully between water and slope, the topographic detail offers a vivid sense of how geography governs movement.

Lake Granby dominates the western portion of the mapped area, its broad waters marking one of Colorado’s most important high-elevation reservoirs and the largest lake in Grand County. Created as part of the Colorado-Big Thompson Project, Lake Granby transformed the valley’s hydrology and became a major center for boating, fishing, and mountain recreation. The map shows both eastern and western shore environments, where roads and smaller drainages trace the meeting of engineered infrastructure and alpine setting. Nearby Shadow Mountain Reservoir forms a key link between Lake Granby and Grand Lake, emphasizing the interconnected water system that shaped twentieth-century development in the region while preserving the grand scale of the surrounding Rocky Mountain landscape.

Grand Lake, east of Lake Granby and adjacent to the park boundary, is one of Colorado’s most storied mountain destinations. Known as the state’s largest natural lake, it has long drawn visitors for its clear waters, serene setting, and gateway position at the western entrance to Rocky Mountain National Park. On the map, Grand Lake appears nestled against steep, forested terrain, with the west shore, nearby Columbine Lake, and surrounding routes indicating a landscape balanced between remoteness and recreation. The presence of Rocky Mountain National Park adds another layer of historical significance, situating the sheet within a protected alpine environment celebrated for biodiversity, glacially carved valleys, wildlife habitat, and some of the most iconic scenery in the American West.

The broader topographic character of “Shadow Mountain” is one of transition: from open lake basins to forested slopes, from managed reservoirs to protected parklands, from local roads to mountain trails leading toward higher country. Stillwater Pass and the network of creeks and smaller water bodies underscore the importance of drainage, elevation, and seasonal movement through this landscape. Since the map’s original 1958 compilation, the region has seen evolving patterns of recreation, conservation, shoreline development, and public-land stewardship, making the sheet a fascinating record of place at a particular moment in Colorado’s postwar outdoor history. Its disciplined cartography preserves not only terrain, but the delicate relationship between natural beauty, human access, and mountain water systems.

Cities, towns and places on this map

• Lake Granby
• Grand Lake
• Rocky Mountain National Park
• Shadow Mountain
• East Shore of Lake Granby
• West Shore of Grand Lake
• Columbine Lake
• Stillwater Pass
• Shadow Mountain Reservoir
• Several creeks and smaller water bodies
• Various trails and roads surrounding the area

Historical context & cartographic details

• Produced by the U.S. Geological Survey as a historical 1:24,000 topographical map of Lake Granby, Colorado, and the surrounding area.
• Dated 1958, with a 1978 imprint/reprint.
• Published by the U.S. Geological Survey, a U.S. federal scientific agency known for reliable topographical maps and survey data.
• Shows Lake Granby, Grand Lake, and parts of Rocky Mountain National Park.
• Lake Granby is the largest lake in Grand County, Colorado.
• Grand Lake is known for its serene waters and recreational appeal.
• Rocky Mountain National Park is noted for its natural beauty and biodiversity.
• Uses contour lines to show elevation changes, consistent with USGS topographic mapping standards.
• Includes landmarks, roads, trails, water bodies, mountain ridges, and lake surfaces.
• Reflects varied elevations and the natural topographic character of the surrounding mountain landscape.
• Records an area that has experienced changes in land use, recreation, development, and environmental conservation since the map’s creation.

Looking for a particular place? Review the detailed images to confirm that the town, landmark or feature you have in mind appears on the map. If you are unsure, ask our workshop to check before you order.

Detailed maps are especially rewarding at larger sizes, where names, boundaries and decorative features have more room to be appreciated. Use the close-up preview and size guide to choose the right scale for your wall.

This map looks amazing at sizes all the way up to 50in (125cm). If you are looking for a larger map, please get in touch.

The model in the listing images is holding the 16x20in (40x50cm) version of this map.

Where personalisation is available, you can add a short title or dedication, mark one meaningful place, or request one considered visual detail. See personalised map examples.

Every piece is printed to museum-grade archival standards using fade-resistant pigment inks on acid-free matte paper. Choose an unframed map print, framed map or canvas using the finish options above. Framed maps use crystal-clear optical acrylic and arrive ready to hang.

With its rich detail and strong sense of place, this map makes a considered gift for a new home, anniversary, retirement or anyone with a personal connection to the area shown. Still deciding? Explore our collection of rare old and vintage maps to discover another place, period or style.

This map is also available as a float framed canvas, sometimes known as a shadow gap framed canvas or canvas floater. The map is printed on artist's cotton canvas and then stretched over a handmade box frame. We then "float" the canvas inside a wooden frame, which is available in a range of colours (black, dark brown, oak, antique gold and white). This is a wonderful way to present a map without glazing in front. See some examples of float framed canvas maps and explore the differences between my different finishes.

For something truly unique, this map is also available in "Unique 3D", our trademarked process that dramatically transforms the map so that it has a wonderful sense of depth. We combine the original map with detailed topography and elevation data, so that mountains and the terrain really "pop". For more info and examples of 3D maps, check my Unique 3D page.