Tenmile Range, Mountain range in Summit County, Colorado, US.
The Tenmile Range is a mountain system in Summit County that stretches north from Quandary Peak through a series of progressively lower summits toward Frisco. The range features numerous ridges and valleys with trails following historic mining routes that once connected mining camps.
Gold discoveries in the Blue River valley during the 1850s brought prospectors and miners to transform the landscape into an industrial center. The extensive mining operations of that era left behind structures and routes that remain visible today.
Breckenridge Ski Resort draws visitors to these mountains throughout winter, and the peaks have become central to how people experience the area seasonally. The range shapes the local identity and daily rhythms of nearby communities.
Interstate 70 provides straightforward access to the range from multiple directions, making it easy to reach trailheads and parking areas. Hikers can follow well-established routes along former mining roads that vary in difficulty and lead to different summit destinations.
Pacific Tarn sits at 13,420 feet within the range and holds the distinction of being the highest named lake in the United States. This small alpine lake offers a rare destination for those seeking remote mountain scenery at extreme elevation.
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