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The Elk Mountains are a high, rugged mountain range in the Rocky Mountains of Western Colorado. The mountains sit on the western side of the Continental Divide (largely in southern Pitkin and northern Gunnison counties). Most of the range is located within the White River and Gunnison National Forest. There are 6 Fourteeners in this range. The most photographed mountains in the U.S. is in this range and it is the Maroon Bells (Maroon Peak and North Maroon Peak).

While travelling from the Great Plains heading West, the first mountain range you encounter is the Front Range. It extends from Cheyenne, Wyoming to Pueblo, Colorado. The 3 National Forests in this range are Pike, Arapaho and Roosevelt. There are 6 Fourteeners in this range which includes 2 favorites among hikers and they are Pikes Peak and Longs Peak.

The San Juan Mountains are a rugged mountain range in the Rocky Mountains in southwestern Colorado. The San Juan and Uncompahgre National Forests cover a large portion of the San Juan Mountains. There are 13 Fourteeners located in this range.

The Sangre de Cristo Range is a narrow mountain range of the Rocky Mountains running North and South along the east side of the Rio Grande Rift in Southern Colorado. They extend SE from Poncha Pass through south-central Colorado to La Veta Pass. Most of the range is shared by 2 National Forests, San Isabel and the Rio Grande. There are 9 Fourteeners in this range.

The Sawatch Range is in central Colorado which includes 8 of the 20 highest peaks in the Rocky Mountains. Parts of these ranges are in the White River and San Isabel National Forest. There are 15 Fourteeners here. The highest Mountain in Colorado and the Continental Divide is in this range and it is Mount Elbert. The famous Mount of the Holy Cross is also in this range.

The Tenmile Range is a mountain range in Colorado. The range is an extension of the Mosquito Range. The two ranges are effectively the same range. They are split only by the Continental Divide and by name. The Tenmile Range is often referred to as the Tenmile-Mosquito Range. 2 of the National Forests here are the Arapaho and Pike NF. There are 5 Fourteeners in this range.
Colorado Mountain Man