The Pierre Shale formation was deposited during the Paleogene and Cretaceous periods about 70 million years ago. The region was covered by a deep sea—the Cretaceous Western Interior Seaway—which deposited massive amounts of shale on the seabed. Both the thick stratum of shale and embedded marine life fossils—including ammonites and skeletons of fish and such marine reptiles as mosasaurs, plesiosaurs, and extinct species of sea turtles, along with rare dinosaur and bird remains—were created during this time period. The area now known as Colorado was eventually transformed from being at the bottom of an ocean to dry land again, giving yield to another fossiliferous rock layer known as the Denver Formation.[58]

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]
Below 9,400 feet (2,865 m), temperatures are often moderate, although nighttime temperatures are cool, as is typical of mountain weather.[49] Spring comes to the montane area by early May, when wildflowers begin to bloom. Spring weather is subject to unpredictable changes in temperature and precipitation, with potential for snow along trails through May.[49] In July and August, temperatures are generally in the 70s or 80s °F during the day, and as low as the 40s °F at night.[49] Lower elevations receive rain as most of their summer precipitation.[48]
Not everyone wants a honeymoon on the beach or has the time to make it out to a tropical location. Colorado is an amazing destination for a honeymoon. Imagine dipping into a steaming outdoor hot tub right outside your honeymoon cabin, or spending time cuddling next to a cozy fireplace inside.  Here are some inviting and romantic cabins all around Colorado that are perfect for a honeymoon.
Tucked deep in the San Juan Mountains in southwestern Colorado, this carefully restored 19th-century ghost town and natural spa is surprisingly well appointed. The rugged, old-timey building exteriors hide high-end features such as cathedral ceilings, air conditioning, and gas fireplaces. Dolores has four parks and a peaceful bike trail that takes peddlers along the tumultuous Dolores River. You can enjoy hands-on exhibits and a nature hike at the Anasazi Heritage Center, or explore an exact replica of the original narrow-gauge rail car, the Galloping Goose. Share a romantic meal with tasty cocktails at Sophia’s Bistro.
The montane ecosystem is at the lowest elevations in the park, between 5,600 to 9,500 feet (1,700 to 2,900 m), where the slopes and large meadow valleys support the widest range of plant and animal life,[69][70] including montane forests, grasslands, and shrublands. The area has meandering rivers[70] and during the summer, wildflowers grow in the open meadows. Ponderosa pine trees, grass, shrubs and herbs live on dry, south-facing slopes. North-facing slopes retain moisture better than those that face south. The soil better supports dense populations of trees, like Douglas fir, lodgepole pine, and ponderosa pine. There are also occasional Engelmann spruce and blue spruce trees. Quaking aspens thrive in high-moisture montane soils. Other water-loving small trees like willows, grey alder, and water birch may be found along streams or lakeshores. Water-logged soil in flat montane valleys may be unable to support growth of evergreen forests.[70] The following areas are part of the montane ecosystem: Moraine Park, Horseshoe Park, Kawuneeche Valley, and Upper Beaver Meadows.[70]
Get away and enjoy the surrounding beauty and frequent wildlife visits right from your cabin. Only 3 mi. from Estes Park, our quiet piece of paradise is set on 15 acres of pines & aspen next to RMNP. Full kitchen, living room, and fireplace in all cabins for evening relaxation. Private decks and gas grills.  Some w/private hot tubs.  Valhalla Resort Details
Central Colorado - Pikes Peak RegionNestled within majestic Rocky Mountain scenery, Cripple Creek offers fun and adventures for the entire family. Try your luck in one of our exciting casinos, check out our fascinating museums, or explore our many history-rich activities such as a ride on the CC&V Narrow Gauge Railroad or a 1,000 foot descent underground into the Mollie Kathleen Mine.
Tucked deep in the San Juan Mountains in southwestern Colorado, this carefully restored 19th-century ghost town and natural spa is surprisingly well appointed. The rugged, old-timey building exteriors hide high-end features such as cathedral ceilings, air conditioning, and gas fireplaces. Dolores has four parks and a peaceful bike trail that takes peddlers along the tumultuous Dolores River. You can enjoy hands-on exhibits and a nature hike at the Anasazi Heritage Center, or explore an exact replica of the original narrow-gauge rail car, the Galloping Goose. Share a romantic meal with tasty cocktails at Sophia’s Bistro.
Brown’s Canyon National Monument – It’s one of Colorado’s newest national monuments, and also one of it’s most beautiful. A pristine, natural canyon, Brown’s Canyon offers visitors the opportunity to hike, raft, or camp in the headwaters of the Arkansas River. Towering ponderosa pine trees and monolithic boulders greet you along this amazing stretch of white water. We may be biased, but we think the best way to see it is by raft. There is also fantastic camping along the river at various locations. Browns’ Canyon is also close to the small town of Nathrop, which offers a number of hot-springs resorts that are perfect for relaxing after a day of adventuring, including Antero Hot Springs Cabins, Mt. Princeton Hot Springs Resort, and Cottonwood Hot Springs.
The landlocked state boasts about four dozen major lakes where you'll find waterside recreation ranging from houseboating to fishing to waterskiing. In the southwest corner of the state, Navajo State Park boasts a 15,000-acre reservoir that extends into the state of New Mexico. Camp in one of 150 campsites, book a night at the Navajo Lodge, or explore the lake for days on a houseboat. Dillon Reservoir near Breckenridge tucks into pine-laden hills near some of the state's most renowned ski areas. Fish the lake for cutthroat trout, brookies or salmon, or take a sailing lesson at the Dillon Marina.
The outdoor adventurer remains busy throughout the year in Rocky Mountain National Park. Open 365 days a year, there are activities and sports throughout the summer/fall and winter/spring seasons. Whether looking for a new route to an adrenaline rush, or simply enjoying a favorite pastime, Rocky Mountain National Park's unique and varied landscapes offer something fun. 
Say hello to the historical, chic and boutique – The Maven Hotel, just one block from Coors Field, between 18th and 19th Streets on Wazee in LoDo (Lower Downtown). The lobby sets the stage for a lovely stay with its chic boutique feel, and the lobby bar serves up throw-back “speakeasy” style drinks. Playful, modern, hip and just a fun place to stay, don’t miss an opportunity to stay at The Maven.

The park is home to some 2,000 to 3,000 elk in summer, and between 800 and 1,000 elk spend the winter within its boundaries. Because of lack of predation, the National Park Service culls around 50 elk each winter. Overgrazing by elk has become a major problem in the park's riparian areas, so much so that the NPS fences them out of many critical wetland habitats to let willows and aspens grow. The program seems to be working, as the deciduous wetland plants thrive within the fencing. Many people think the elk herd is too large, but are reluctant to reintroduce predators because of its proximity to large human populations and ranches.[76]
Estes Park cabins, homes, rooms, and suites bordering Rocky Mountain National Park! Enjoy wood-burning fireplaces and fully-equipped kitchens with a hot tub on-site. Free Wi-Fi, dog friendly lodging (w/ conditions). Spectacular views and great wildlife watching! Easy access to hiking, snowshoeing, back-country skiing! The perfect place for your mountain getaway!  McGregor Mountain Lodge Details

Cushion plants have long taproots that extend deep into the rocky soil. Their diminutive size, like clumps of moss, limits the effect of harsh winds. Many flowering plants of the tundra have dense hairs on stems and leaves to provide wind protection or red-colored pigments capable of converting the sun's light rays into heat. Some plants take two or more years to form flower buds, which survive the winter below the surface and then open and produce fruit with seeds in the few weeks of summer. Grasses and sedges are common where tundra soil is well-developed.[73]

Built in 1866, the historic Dove Inn is a quiet, private bed and breakfast a block from Golden's Main Street that provides an ideal getaway for both business and leisure travelers. The inn offers a choice of luxurious guest rooms to suit every taste from historical accommodations overlooking the inn’s beautiful gardens to luxury rooms for the discerning traveler to multi-purpose rooms for larger families and group travelers.

Nicknamed the “Mile-High City” because it sits exactly a mile high in altitude above sea level, Denver is Colorado’s capital and largest city. Located just east of the Rocky Mountains, Denver is a popular winter sport destination that celebrates its mining and cowboy history. The city also boasts a lively arts and culture scene with many distinguished museums, such as the Denver Art Museum, and the Denver Performing Arts Complex, one of the nation’s largest performing art centers.
Lulu City, Dutchtown, and Gaskill in the Never Summer Mountains were established in the 1870s when prospectors came in search of gold and silver.[19] The boom ended by 1883 with miners deserting their claims.[20] The railroad reached Lyons, Colorado in 1881 and the Big Thompson Canyon Road—a section of U.S. Route 34 from Loveland to Estes Park—was completed in 1904.[21] The 1920s saw a boom in building lodges and roads in the park, culminating with the construction of Trail Ridge Road to Fall River Pass between 1929 and 1932, then to Grand Lake by 1938.[22]
Located off Lift 8 on Hook em’ Horns, the Ginny Lee Cabin offers skiers & snowboarders a place to hang out on the far north side of the mountain.  Newly built in 2014 and named after Virginia Upham, Ginny Lee is quickly becoming one of the favorite cabins on the mountain.  Be sure to check out the new Tommyknocker’s Ginny Lee IPA brewed only for Loveland Ski Area.

With a year-round ski resort and a unique Gold Rush history behind it, Breckenridge is a fun place to visit in Colorado. One must-see while here is the Breckenridge National Historic District, which runs along Main Street and features colorful buildings from the 1800s that house shops, restaurants and galleries. Other fun things to do include hiking, skiing, a wildlife preserve, children’s museum, and more.
Still haven’t packed enough into your Colorado vacation? Make time to see some of the great Colorado mountain attractions — tour a ghost town near Aspen, sail above the mountains in a balloon over Breckenridge, rock out at a music festival in Telluride, check out the nightlife scene in Vail and try your luck at a casino in Black Hawk, Central City or Cripple Creek.
Experience the high country the old fashioned way — atop a horse. This is a wonderful way for older children to see more alpine country than possible on foot. There are two stables located within the park: Glacier Creek Stables and Moraine Park Stables. Approximately 260 miles of trails are open to horse use, which makes up more than 70 percent of the total trail network in the park.
Once you have checked into your cozy lodging accommodations, slip into plush monogrammed robes and relax by the fire or in your private outdoor hot tub with a glass of the resorts signature Infinite Monkey Thereom Cab Franc or Chardonnay wine. Then head over to Chipeta Resort’s full-service Spa and immerse yourself in a wide variety of pampering treatment options, the Cedar Circular Sauna, Steam Room and  two outdoor thermal pools.
A perfect destination for travelers who crave nature, Colorado Springs appeals to visitors who are also looking for cultural attractions to fill their itinerary. Surrounded by the majestic mountains of the Colorado Rockies, Colorado Spring’s beautiful scenery is only highlighting by the city’s quirky art galleries in Manitou Springs, airplanes at the Air Force Academy, world-class Olympic Training Center and the rugged Old West feeling found in Old Colorado City. There are plenty of outdoor activities for visitors indulge in, of course, including nearby Pikes Peak, Garden of the Gods and Red Rock Canyon.

Update on Jan. 14, 2019: A Rocky Mountain National Park spokesman said Monday the park began using recreation fees to temporarily pay about 10 percent of furloughed workers to clean up the park. They’ve been plowing roads, cleaning restrooms and collecting trash since Saturday. Other staff, such as law enforcement rangers, continue to work without pay during the shutdown. The park is expected to reopen to vehicle traffic on Tuesday, said Kyle Patterson, a Park spokesman who is on furlough.

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