Categories: IUCN Category IIRocky Mountain National ParkRocky MountainsHistory of the Rocky MountainsArchaeological sites in ColoradoBiosphere reserves of the United StatesCivilian Conservation Corps in ColoradoNational parks in ColoradoNational parks of the Rocky MountainsProtected areas established in 1915Protected areas of Boulder County, ColoradoProtected areas of Grand County, ColoradoProtected areas of Larimer County, ColoradoProtected areas on the Colorado River1915 establishments in Colorado

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]

Rising from 7,800 feet to 12,000 – even 14,000 feet in some places – RMNP is a high-elevation park and if you don't give yourself time to adjust to the thinner atmosphere and lower oxygen levels, you could run the risk of getting the headaches, nausea and disorientation characteristic of altitude sickness. Along with taking a day or so to acclimate to the high altitude, you should make sure to consume plenty of water and food to ward off symptoms.


The climate change study projects further temperature increases, with greater warming in the summer and higher extreme temperatures by 2050. Due to the increased temperature, there is a projected moderate increase in the rate of water evaporation. Reduced snowfall—perhaps 15% to 30% less than current amounts—and the elimination of surface hail, along with the higher likelihood of intense precipitation events are predicted by 2050. Droughts may be more likely due to increased temperatures, increased evaporation rates, and potential changes in precipitation.[53]

A sanctuary just for mature audi­ences all year long, Stonebrook Resort on Fall River offers plenty of peaceful settings, from seclud­ed outdoor hot tubs overlooking the river to private hiking trails that lead to Rocky Mountain National Park, just 2 miles away. Downtown Estes Park, with snug restaurants, breweries and wineries well-suited for a couples’ night out, is just 2 miles the other way.
For the ultimate mountain getaway, stay in one of our updated vintage 1, 2, or 3 bedroom cabins! Just 1 mile from the entrance to RMNP on the quiet side of town. Walk to a Park trailhead, fish for stocked trout in front of your cabin, soak in the hot tub, relax around the campfire. Experience the Estes of yesteryear!  Idlewilde by the River Details
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. 

Strawberry Creek Cabin is a beautiful log retreat located in Beaver Creek’s most exclusive neighborhood. Take in the dramatic views of Beaver Creek as you cozy up in front of the fireplace in the living room or cook in the gourmet kitchen. The interior features designer decor, comfortable layout, and an amazing art collection. Enjoy the outdoor fire pit and hot tub on the private back patio overlooking the ski runs. Ski-in/ski-out access via the Settler’s Way run is just steps away.
Located one mile from the main entrance of Rocky Mountain National Park and two miles from Estes Park, Rams Horn Village Resort offers 46 luxury cabins, a heated outdoor swimming pool in the summer, three outdoor, year-round hot tubs, a fitness center and a playground on over seven acres of landscaped grounds. Every amenity at Rams Horn is free to use with your reservation and every cabin will turn into a second home.

The nearest airport is Denver International Airport[91] and the closest train station is the Denver Union Station. Estes Park may be reached by rental car, shuttle or RTD bus.[91][98] During peak tourist season, there is free shuttle service within the park and the town of Estes Park provides shuttle service to Estes Park Visitor Center, surrounding campgrounds, and the Rocky Mountain National Park's shuttles.[91]
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.
Idyllically pinned between the crags and currents of Little Prospect Mountain and Big Thompson River, This Mountain Life makes for a serene setting to call basecamp.  Open your windows to clean crisp air, bluebird skies and sights and sounds of a winding snow-fed alpine river. Watch wildlife from Mountain Chickadees to Colorado Chipmunks and Wapiti Elk. Sleep like a log. Step out your haven in Historic Downtown to easily access top Estes Park shops, attractions and venues — from river walks to fishing spots, sweet shops to best restaurants, from care-free strolls to heart-pounding treks.  
Cow Creek Trail follows Cow Creek, with its many beaver ponds, extending past the Bridal Falls turnoff as the Dark Mountain trail, then joining the Black Canyon trail to intersect the Lawn Lake trail shortly below the lake.[42] North Boundary Trail connects to the Lost Lake trail system. North Fork Trail begins outside of the park in the Comanche Peak Wilderness before reaching the park boundary and ending at Lost Lake. Stormy Peaks Trail connects Colorado State University's Pingree Park campus in the Comanche Peak Wilderness and the North Fork Trail inside the park.[42]
The park may be accessed through Estes Park or via the western entrance at Grand Lake. Trail Ridge Road, also known as U.S. Route 34, connects the eastern and western sides of the park.[91] The park has a total of five visitor centers. The Alpine Visitor Center is located in the tundra environment along Trail Ridge Road, while Beaver Meadows and Fall River are both near Estes Park, with Kawuneeche in the Grand Lake area, and the Moraine Park Discovery Center near the Beaver Meadows entrance and visitor center.[9]

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.
Dial (970) 586-1222 for a recorded message on the status of Trail Ridge Road. You may not know that our mountain makes its own weather, so it is not uncommon to have snow in July or August at the top of Trail Ridge Road. Such weather will only last for a few hours to a day, but if you are planning to cross over Trail Ridge Road, weather may hamper your travel. You also may find the road closed due to weather in early June and September/October.
Aspen is a lovely town, best known for phenomenal skiing, but Aspen offers a host of other outdoor activities, such as cycling, hiking, kayaking, fly fishing, and horseback riding. Celebrate your romantic connection with a spectacular hot air balloon ride over the four mountain areas of Buttermilk, Snowmass, Aspen, and Aspen Highlands at sunrise or sunset while sipping champagne and indulging in chocolate-covered strawberries. Pamper each other with a customized couple’s massage at the Remede Spa at the St. Regis Hotel, then luxuriate in the hot tub where three waterfalls tumble down a stone wall. Enjoy some French cuisine and ample wine choices at the Rustique Bistro.
Head to Denver, Colorado where you can see shows, visit museums and sample new flavors at gourmet restaurants. The Curtis – a DoubleTree by Hilton is a boutique hotel with 336 innovative accommodations, a retro dining experience and a state-of-the-art fitness center. The Bigger Better Deal Rooms offer 350 square feet of living space and views of downtown Denver. There are three types of suites to choose from: a KISS Suite, a Rolling Stones Suite and a suite dedicated to the Spice Girls. Guests can also stay in a “Hyper Themed” room on each of the 13 themed floors, such as the Jimmy Buffett Suite and the Ghostbusters Suite.
The Trail Ridge Road, which itself reaches an altitude of more than 12,000 feet, is the main driving route through the park and offers easy access to this incredible terrain. You can sightsee from the comfort of your car or stop off along the way for a hike or easy walk. The park has an extensive system of hiking trails that range from paths of less than a half-mile to full-day and multi-day hikes. If you're lucky, you may see elk, bighorn sheep, deer, and other critters.
There are several Front Range towns that have fun winter attractions that are worth experiencing. Next time you’re passing through Idaho Springs, relax at Indian Hot Springs or go snowshoeing in the Arapaho National Forest. Georgetown hosts ice races on its frozen lake. While in Evergreen, make use of the giant frozen lake by ice skating or fishing.

Nestled below Colorado's radiant mountaintops is beautiful Lazy R Cottages in Estes Park. Just one mile from Rocky Mountain National Park, we offer one-, two- and three-bedroom cabins perfect for romantic escapes and family vacations. Our cabins have kitchens or kitchenettes, fireplaces, decks with mountain views, and some with personal hot tubs … perfect for relaxing after a day enjoying Estes Park and the National Park. Dog-friendly units available ($15 per dog/per night). Free Wi-Fi. View more about our Estes Park cabins.
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.
Cow Creek Trail follows Cow Creek, with its many beaver ponds, extending past the Bridal Falls turnoff as the Dark Mountain trail, then joining the Black Canyon trail to intersect the Lawn Lake trail shortly below the lake.[42] North Boundary Trail connects to the Lost Lake trail system. North Fork Trail begins outside of the park in the Comanche Peak Wilderness before reaching the park boundary and ending at Lost Lake. Stormy Peaks Trail connects Colorado State University's Pingree Park campus in the Comanche Peak Wilderness and the North Fork Trail inside the park.[42]
Nestled along the Fall River, Murphy’s River Lodge is located only two blocks from the historic downtown area of Estes Park. Completely remodeled lodgings include 13 rooms, rooms with private decks, a second property Murphy’s Resort and six fully-furnished vacation home rentals in Estes Park. These single family home rentals include access to River Lodge or Resort amenities including the pools and hot tubs!
In the winter, try the “Ski-In/Ski-Out” Treatment—the only one of its kind at a ski resort. In 30 minutes, professionals submerge your feet in a warm, exfoliating bath and go to work to increase circulation. They relieve the tension with a hot stone massage to get you back into action. This treatment is designed perfectly to soothe you after a day of adrenaline and activity, and vamp you back up for more.
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