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Geography

Animas River

Added by yongli on 02/29/2016 - 16:32, last changed on 05/11/2020 - 09:21
Until recently, the Animas River—known in Spanish as “El Río de las Ánimas,” or “The River of Lost Souls”—was one of only a few undammed rivers in southwestern Colorado. The Upper Animas River Canyon bears the legacy of the longest hard-rock mining operations in southwestern Colorado. The mineral-...

Black Canyon of the Gunnison

Added by yongli on 02/03/2017 - 13:31, last changed on 10/18/2019 - 11:07
Two thousand feet deep, forty-eight miles long, and two million years old, western Colorado’s Black Canyon of the Gunnison is one of the most stunning geologic features in the American West. The fourteen miles along the Gunnison River have been protected as a national park since 1999, drawing more...

Cave of the Winds

Added by yongli on 06/15/2016 - 15:46, last changed on 05/13/2020 - 10:56
Cave of the Winds, located in Williams Canyon a few miles northwest of Colorado Springs , is one of the most popular tourist attractions in Colorado. Two schoolboys are credited with discovering the cave in 1880, though various legends hold that Ute and Apache tribes knew about it for centuries...

Clear Creek Canyon

Added by yongli on 05/17/2016 - 13:26, last changed on 04/17/2020 - 08:51
Clear Creek flows from the Continental Divide at Loveland Pass, eastward through a deep and wide glacial valley down to Idaho Springs , where the valley narrows and the stream gradient increases as it enters narrow, relatively undeveloped Clear Creek Canyon. Through Clear Creek Canyon the stream...

Colorado Geology

Added by yongli on 06/24/2016 - 14:26, last changed on 03/18/2020 - 12:49
The Earth beneath the rugged mountains and serene plains of Colorado records an ancient saga. Broad tropical seas teemed with life, while reptiles roamed on shore. Continents converged and collided, building massive mountains, only to be torn apart by the movements of colossal tectonic plates...

Colorado River

Added by Greg Vogl on 08/01/2014 - 09:38, last changed on 05/07/2020 - 11:02
The Colorado is the premier river of the American Southwest. Rising in the mountains of Colorado and Wyoming, this river and its tributaries provide water and hydroelectric power for nearly 35 million people in the United States and Mexico, as well as habitat for several fish species found only in...

Colorado: An Overview

Added by yongli on 06/19/2018 - 12:08, last changed on 05/01/2020 - 11:54
Colorado, “the Centennial State,” was the thirty-eighth state to enter the Union on August 1, 1876. Its diverse geography encompasses 104,094 square miles of the American West and includes swathes of the Great Plains , southern Rocky Mountains , and the Colorado Plateau. Colorado has an average...

Front Range

Added by yongli on 01/23/2017 - 16:06, last changed on 05/11/2020 - 09:40
The Front Range is a corridor of the Rocky Mountains and surrounding land stretching 200 miles from the Wyoming border on the north to the Arkansas River on the south. The western border of the Front Range consists of a collection of high mountain ranges, from the Medicine Bow and Laramie Mountains...

Glaciers

Added by yongli on 05/06/2016 - 15:50, last changed on 05/11/2020 - 10:00
Snow in the high country sometimes accumulates faster than it melts, leading to the formation and continuation of glaciers. Colorado is home to seven glacial regions that reside mainly in central and northern Colorado. Each area sustains unique ecosystems and watersheds crucial to nature and humans...

Grand Valley Irrigation

Added by yongli on 08/01/2016 - 13:06, last changed on 10/31/2019 - 11:06
The story of irrigation in Colorado’s Grand Valley speaks volumes about the reciprocal relationship between land and community in the arid American West. Early white settlers of Colorado’s Western Slope espoused concepts of landscape and water control that physically transformed the landscape from...

Great Divide

Added by yongli on 01/15/2020 - 13:44, last changed on 07/04/2020 - 01:07
The beautiful and imposing mountain scenery of Colorado’s Great Divide has led to the common belief that the state is home to a singular “Continental Divide.” The divide in Colorado, however, is only a piece of the larger Great Divide, a geologic crest that runs from Alaska through South America...

Gunnison River

Added by yongli on 05/06/2016 - 15:25, last changed on 05/11/2020 - 09:51
The Gunnison River is a major tributary of the Colorado River , contributing about one-third of the Colorado’s flow at the Colorado-Utah state line. The basin drained by the Gunnison stretches from alpine meadows and forests along the Continental Divide to the arid canyon country around Grand...

Manitou and Pikes Peak Cog Railway

Added by yongli on 08/21/2015 - 15:16, last changed on 10/16/2019 - 09:54
The Manitou and Pikes Peak Cog Railway climbs the 8.9 miles to the 14,110-foot summit of Pikes Peak . The railway is the highest in North America and was built as a tourist attraction in the late nineteenth century. Other cog railways can be found on Mt. Washington in New Hampshire and throughout...

Mexican Land Grants in Colorado

Added by yongli on 07/06/2020 - 16:34, last changed on 07/06/2020 - 16:34
From the sixteenth century to the mid-nineteenth, the king of Spain and the Mexican government awarded land grants to individuals and communities throughout the American Southwest. All seven of Colorado ’s land grants, comprising more than 8 million acres, were awarded by the Mexican government...

Pikes Peak

Added by yongli on 06/24/2016 - 10:46, last changed on 10/11/2019 - 10:54
At the southern tip of Colorado’s Front Range , just west of the city of Colorado Springs , Pikes Peak is the most famous mountain in the state. The Fourteener is one of the most important peaks in Colorado history and plays an essential role in the state’s tourism industry. Standing 14,115 feet,...

Royal Gorge

Added by yongli on 11/10/2015 - 12:27, last changed on 01/07/2020 - 17:03
The Royal Gorge is a spectacular canyon along the Arkansas River near Cañon City in south-central Colorado. With a narrowest width of just 30 feet at the bottom of the canyon and a depth exceeding 1,200 feet in some places, the nearly ten-mile-long canyon is considered a world wonder of geology ...

San Juan Mountains

Added by yongli on 08/01/2016 - 15:16, last changed on 04/01/2020 - 12:41
The San Juan Mountains are the largest mountain range by area in the Centennial State, spanning thirteen counties in southwestern Colorado. In addition to being the home of the Ute Indians for hundreds of years, the mountains intrigued Spaniards , lured the prospectors of the Colorado Gold Rush ,...

San Luis Valley

Added by yongli on 03/13/2020 - 13:26, last changed on 07/03/2020 - 01:07
Covering nearly 8,000 square miles in southern Colorado, the San Luis Valley is the largest valley in the state and the largest high-altitude desert in North America. Known as “the Valley” by locals and other Coloradans, the San Luis Valley is bordered by the Sangre de Cristo Mountains to the east...

South Platte River

Added by yongli on 02/22/2017 - 13:13, last changed on 05/11/2020 - 09:03
The South Platte River flows from its headwaters in the Mosquito Range west of South Park across Colorado’s northeastern plains . From downtown Fairplay to the Nebraska border at Julesburg , its course through Colorado is approximately 380.3 miles. Today, water administrators and water...

Western Slope

Added by yongli on 01/23/2017 - 16:14, last changed on 05/04/2020 - 09:20
“A Fantasy land,” “a mystique,” “a state of mind”—these are only some of the expressions used to describe the Western Slope of Colorado, commonly defined as the roughly one-third of the state that lies west of the Continental Divide . The serpentine divide forms the region’s eastern boundary,...

Yampa River

Added by yongli on 02/02/2017 - 16:41, last changed on 05/11/2020 - 09:47
The Yampa River snakes 250 miles across northwestern Colorado, primarily in Routt and Moffat Counties. Its watershed encompasses approximately 8,000 square miles in Colorado and Wyoming; in Colorado, the river flows through Craig , Hayden , Milner , and Steamboat Springs , among other communities...
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