Precambrian metamorphic rock formed the core of the North American continent during the Precambrian eon 4.5–1 billion years ago. During the Paleozoic era, western North America was submerged beneath a shallow sea, with a seabed composed of limestone and dolomite deposits many kilometers thick.[54] Pikes Peak granite formed during the late Precambrian eon, continuing well into the Paleozoic era, when mass quantities of molten rock flowed, amalgamated, and formed the continents about 1 billion–300 million years ago. Concurrently, in the period from 500–300 million years ago, the region began to sink while lime and mud sediments were deposited in the vacated space. Eroded granite produced sand particles that formed strata—layers of sediment—in the sinking basin.[55]
By day, this forested hot spring just north of Steamboat Springs teems with families splashing in the all-natural pools. After dark, it becomes exclusively adults-only — and clothing-optional; don’t be surprised if you spy a cowboy or two taking a dip au naturel. Secluded hillside cabins and train cabooses are within sprinting distance from the pools, for those cooler Colorado nights.
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
Known as a world-class ski destination, Aspen is beautiful year around and offers activities and attractions for all ages. Skiers can challenge their skills on the magnificent steeps, slopes and glades of Aspen Mountain or Ajax, on rugged Aspen Highlands or enormous Snowmass. Take a 14 minute ride with the Silver Queen Gondola to the top of Ajax Mountain for the spectacular views of the mountain peaks, the city below and tall evergreens all around you. There are bluegrass concerts on Sundays.
Though the Airbnb cabin can accommodate up to 6 people, you can rent it just for the two of you. This vacation rental is located within walking distance to the historic town of Cripple Creek, Colorado. Surrounded by pine and aspen trees, this cabin makes a perfect option for couples who want a romantic getaway. The atmosphere is quiet and peaceful, allowing you to spend quality time together. There is a quite large kitchen for you and partner to prepare romantic dinners. At night, look up to the sky to see the beautiful starry night while holding each other’s hands!
A famous winter destination for travelers throughout the country, Aspen’s four impressive ski mountains make up its beautiful surroundings. Nestled in the heart of the White River National Forest, this area is a mecca for winter sports, popular for skiing and snowboarding. While hitting the slopes is the area’s most beloved attraction, visitors can also explore the wealth of high-end boutiques, interesting museums and wonderful hiking trails. Those who want to experience a different kind of outdoor adventure can also try cross-country skiing, snowshoeing and fly-fishing. Boasting even more activities in the summertime, visitors can go rafting, horseback riding and soar above the city in a hot-air balloon.
If you make the quick jaunt to Denver’s neighbor-to-the-north, start with the Fort Collins Museum of Discovery.  Debuting in November 2012, the museum features over interactive 100 exhibits and activities such as the Music & Sound Lab, where physics, technology, history and hands-on playing and composing lead to inspiration.  The Environmental Learning Center is a 212-acre site comprised of four distinct ecosystems – wetlands, riparian, cottonwood forest and prairie – and offers plenty of programs for kids. The Rocky Mountain Raptor Program takes in injured birds of prey, and welcomes visitors interested in their rehabilitation and release. Want a free ride? The Fort Collins Bike Library loans bicycles to visitors and residents, from one hour to seven days, at no charge.
One search lets you filter, compare and sort over 12,000,000 available properties from the world’s top vacation rental sites including HomeAway, VRBO, TripAdvisor, Booking.com and more. When you use Tripping.com to plan your trip and book your vacation rental, you never have to wonder if you’re getting the best deal. Find the perfect vacation rental for your next trip to over 190 countries.
The Broadmoor Hotel, built in the late 19th-century, offers lots of historic elegance and luxury for honeymooning couples along the shores of Cheyenne Lake at the edge of Colorado Springs. The vast resort offers just about everything you could ever want in a romantic getaway, including the chance to sip cocktails alongside the infinity pool while enjoying spectacular views of the lake and the jagged peaks of the Rockies. There are eight restaurants onsite, a spa, three championship golf courses and a wide range of outdoor activities at your disposal from paddle boating to horseback riding and fly fishing. The property also offers a variety of romantic getaway packages that include things like a romantic dinner for two or sparkling wine and chocolate-covered strawberries at turn-down on your first night.
The Experience: Located in a Western ghost town in the Rockies, Dunton Hot Springs is the rustic escape for families that want to experience the great outdoors without compromising luxury or comfort. Dunton offers perma-tents, tepees, and cabins for lodging. This remote destination hotel will get you off the beaten path and out of your comfort zone in the best, most luxurious way possible. 

^ Montana State University states in their profile of Rocky Mountain National Park that there has been an increase of 2.5 °F (1.4 °C) in the average park temperature over "the past century" (charts show the period from about 1895-2010).[48] The National Park Service site states that the increase has been 3.4 °F (1.9 °C) over "the last century" (chart shows the period from about 1905-2010).[52] 

Our lodging is a 300 yd. walk to RMNP. The Big Thompson River flows thru our backyard.  Enjoy hiking, wildlife, fishing, birding & photography.  Treat yourself to a soak in our riverside hot tub. Some cabins w/ kitchens & fireplaces. Catering to singles, couples & small families.  Exceptionally clean & affordable w/ a relaxing atmosphere, personality & charm.   Swiftcurrent Lodge on the River Details
Black Canyon of the Gunnison is a fabulous, rugged looking canyon, and it's remote enough that it has the feeling of being undiscovered. Steep cliff walls rise up from the Gunnison River, creating a narrow and dramatic canyon. The depth of the canyon is around 2,000 feet, with Gunnison Point and Chasm View at just over 1,800 feet and Warner Point at 2,722 feet.
Dinosaur National Monument is so diverse that the possibilities here extend well beyond the archeological aspects, from a simple driving tour through the monument to hiking, fishing, rafting, and camping. A number of scenic drives run through the park on both paved and four-wheel drive roads. Hiking trails range from short nature walks of less than a half mile to eight-mile-long day hikes. Campgrounds, some of which are open to both tents and RVs and others open only to tents, are spread around the park. It's possible to spend a few days in this area if you are interested in exploring the park.

Escape from the city with a romantic getaway just 30 minutes west of Denver to the Highland Haven Creekside Inn in Evergreen. This family-owned and operated Colorado Mountain B&B will charm you upon the moment of entering the wooded grounds. Their website describes it as an opportunity to create your own “Colorado Woodland Fairytale.” And it is that adorable.  Rustic. Quiet. Charming. And far enough away from it all to feel like a romantic getaway.
If you’re planning to visit Breckenridge this summer, plan plenty of time to fit it all in. Local fan favorites include fishing or biking the paved trail along the Blue River, a scenic drive over Boreas Pass road accessing 1,000 miles of mountain biking across Summit County, hiking countless miles of trails or climbing a nearby “14er.” The entire family will love the Breckenridge Peak 8 Fun Park’s Gold Runner Coaster, 4X4 off-road tours, climbing wall, Alpine Superslide, hiking tours, Superputt Mini Golf and free scenic gondola rides with spectacular views of Cucumber Gulch. The 2013 Kingdom Days/Outhouse Races June 14-16, 2013 are a must. It’s not every day Outhouse Races, old-fashioned games like potato sack races, magicians, blacksmithing demos, gold panning and historic hikes are the star attractions. http://www.gobreck.com/events/kingdom-days. If you want a date night, drop the kids (ages 5-12) off at the Recreation Center Parents’ Night Out. As your kids, climb, swim and play, they won’t even notice you’re gone.
^ Montana State University states in their profile of Rocky Mountain National Park that there has been an increase of 2.5 °F (1.4 °C) in the average park temperature over "the past century" (charts show the period from about 1895-2010).[48] The National Park Service site states that the increase has been 3.4 °F (1.9 °C) over "the last century" (chart shows the period from about 1905-2010).[52]
A small city that packs a lot of punch for its size, Vail is one of the most beloved ski destinations in the country, where its not uncommon to spot a celebrity or two. Nestled between the Gore Mountain Range and Sawatch Mountain Range, this narrow alley is home to the largest single-mountain resort in the United States. While most visitors come to Vail for its famous 5,289 acres of ski slopes, in the summer visitors can also explore the Eagles Nest Wilderness Area and Holy Cross Wilderness area to hike the area’s rugged mountainside trails.
Region 5, known for waterfalls and backcountry, is south of Estes Park and contains Longs Peak—the park's iconic fourteener—and the Wild Basin area.[35] Other peaks and passes include Lily Mountain, Estes Cone, Twin Sisters, Boulder-Grand Pass, and Granite Pass.[47] Eugenia Mine operated about the late-19th to early-20th century, with some old equipment and a log cabin remaining.[47] Sites and trails include Boulder Field, Wild Basin Trail, and Homer Rouse Memorial Trail.[47]
This southwestern mountain town is ideal for multi-sport adventurers who want to have access to activities on land and in the water. The Animas River snakes right through Durango and is famous for providing some of the best kayaking and rafting in the state. Head just uphill, and you can be surrounded by the soaring peaks of the Rockies, hiking in out-of-this-world alpine terrain, while the lowlands offer outstanding mountain biking on over 1,000 miles of trails in the Durango area alone. One of the must-dos, no matter when you’re here, is to hop aboard the historic Durango & Silverton Narrow Gauge Railroad, a narrow gauge steam train built specifically built to handle the narrow mountain routes, chugging along at 18 miles per hour as it climbs the steep and magnificent mountain passes between Durango and Silverton. Much of its downtown area is a designated National Historic District and offers a number of interesting places to visit, like the San Juan County Historical Society, housed in the old county jail, as well as the Mayflower Gold Mill National Historic Site and the Old Hundred Gold Mine.
Just a few miles from the town of Estes Park, Rocky Mountain National Park is one of the most popular national parks in the United States. The soaring mountain peaks, alpine lakes and meadows, forests, and abundant wildlife showcase nature at its best. The park has more than 100 peaks over 10,000 feet, including Longs Peak, the highest in the park, at 14,259 feet. 
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