About 300 million years ago, the land was uplifted creating the ancestral Rocky Mountains.[55] Fountain Formation was deposited during the Pennsylvanian period of the Paleozoic era, 290–296 million years ago. Over the next 150 million years, the mountains uplifted, continued to erode, and covered themselves in their own sediment. Wind, gravity, rainwater, snow, and glacial ice eroded the granite mountains over geologic time scales.[56] The Ancestral Rockies were eventually buried under subsequent strata.[57]

The Lowdown: Just three miles north of downtown Breck, the Silver Pines Cottage has all the essentials you need and then some for a ski vacation without the hassle of resort lodging. With unbeatable mountain views, this cozy cabin retreat is great for families with a children’s playroom but offers a steam shower and whirlpool for the adults. The entire house is yours for unbelievably only $144 a night.
At about 68 million years ago, the Front Range began to rise again due to the Laramide orogeny in the west.[58][59] During the Cenozoic era, block uplift formed the present Rocky Mountains. The geologic composition of Rocky Mountain National Park was also affected by deformation and erosion during that era. The uplift disrupted the older drainage patterns and created the present drainage patterns.[60]

Out in the high desert of Colorado’s southwest corner, you’ll find hot springs, snowy peaks, forests, and so much more. Stay in a Pagosa Springs or Steamboat Springs vacation rental and experience the soul-reviving relaxation of a natural hot spring. Skiing isn’t just for Summit County: you’ll find satisfying slopes and a great ski culture at Crested Butte, too. Durango, situated in the San Juan National Forest, offers historic railways, white water rafting, and more.


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Reserved through Airbnb, Little Red Treehouse is exactly what it sounds like. Custom-built by owner and founder Leam Blackwood and sitting amongst the trees in Lyons, Colorado, this charming home offers huge views, a deck-top private shower, a balcony breakfast nook, an efficiency kitchen with both heat and electricity, stunning lodge design, and a unique treehouse experience you’ll never forget.
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