There are four ecosystems, or zones, in Rocky Mountain National Park: montane, subalpine, alpine tundra, and riparian. The riparian zone occurs throughout all of the three other zones. Each individual ecosystem is composed of organisms interacting with one other and with their surrounding environment. Living organisms (biotic), along with the dead organic matter they produce, and the abiotic (non-living) environment that impacts those living organisms (water, weather, rocks, and landscape) are all members of an ecosystem.[66]
Easily accessible from Estes Park is Rocky Mountain National Park, which boasts over 100 mountain peaks that tower over 11,000 feet above the ground. In this gorgeous park, you will find over 300 hiking trails as well as paths to traverse by car or on horseback. Exploring the park will also bring you into close contact with a variety of wildlife, from striped chipmunks to large elk.
You can climb and slide on the dunes or test your boarding skills cruising down the sand. On hot days, children and even adults enjoy splashing around in the Medano Creek that runs along the base of the dunes. Hiking trails run through the forest on the edge of the dunes. The four-wheel drive Medano Pass Primitive Road opens up some unique terrain, and car camping sites are located along the roadside. Regular camping is available at the Pinon Flats campground, which offers both tent and RV campsites.
Grand Lake is arguably the biggest attraction in the town of Grand Lake, offering boating, sailing, fishing, swimming, kayaking and yachting – it even hosts a Regatta Week in early August. This is also where you’ll find the biggest Fourth of July fireworks display in all of Colorado, as well as a wealth of popular tourist spots like candy shops, old time photo galleries and saloons, an array of gift shops and even mini-golf courses. Plus, as it sits near the western entrance of Rocky Mountain National Park, you’ll be steps away from one of the country’s most spectacular wildlife-filled parks too.
Snow-fed rivers tumble over granite boulders in the Rocky Mountains, creating an ideal environment for fly-fishing and whitewater rafting. The state's most famous river -- the Colorado -- flows from headwaters in Rocky Mountain National Park, with alternating stretches of heart-pounding hydraulics and quiet areas where you can wade out and cast your fly. Stay at a Bureau of Land Management campground along the shore, or at private riverside cabins such as those found at Colorado Cabin Adventures 3 miles from Grand Lake. For a more remote experience, stay at Cottonwood Cove, tucked along the banks of the Rio Grande just downstream from the picturesque mining town of Creede.
Nature lovers can go hiking, white water rafting, horseback riding or climbing in one of the surrounding national parks, or you could choose to explore historic archaeological sites such as Hovenweep, Chaco Canyon and Mesa Verde. The Durango & Silverton Narrow Gauge Railroad is a highlight of any visit and you can combine various adventure sports packages with your scenic train ride. Keep reading for more Colorado points of interest. Things to Do in Durango
Considered the base camp for the Rocky Mountain National Park, Estes Park is less than a 2-hour drive from Denver. Located near the east entrance to the Rocky Mountain National Park, Estes Park is a quiet area surrounded by protected land. Here you’ll find pristine wilderness with a myriad of both indoor and outdoor activities, from scenic hikes and bike trails to wine tasting and spa treatments. Take the Estes Park Aerial Tramway to the top of a small peak and soak in breathtaking panoramic views of the valley and downtown area, take a walk along the Riverwalk in Downtown Estes Park or take the kids to the Estes Park Ride-A-Kart & Cascade Creek Mini-Golf.

The park was designated a World Biosphere Reserve by the United Nations in 1976 to protect its natural resources.[67][68] The park's biodiversity includes afforestation and reforestation, ecology, inland bodies of water, and mammals, while its ecosystems are managed for nature conservation, environmental education and public recreation purposes.[67] The areas of research and monitoring include ungulate ecology and management, high-altitude revegetation, global change, acid precipitation effects, and aquatic ecology and management.[67]
^  This article incorporates public domain material from the Library of Congress document: "Majestic view from the old, one-way, dirt Fall River Road in Rocky Mountain National Park in the Front Range of the spectacular and high Rockies in north-central Colorado". Library of Congress - Prints & Photographs Online Catalog. Retrieved October 28, 2016.
Cheyenne Mountain Resort offers a honeymoon escape that includes breathtaking mountain views, outstanding dining and especially luxurious rooms. It has a good menu of special romance packages to choose from too, including having Champagne, locally-sourced gourmet cheeses and fresh fruit delivered to your room. You can look forward to indulging in a romantic dinner buffet for two, or even go all out by booking the boudoir portrait session, which includes complimentary Champagne. Activities abound too, with a 35-acre lake for water sports, five indoor and outdoor pools, a spa, 18-hole golf course, tennis courts and a fitness center.

The sun made us lazy, and after following Brian as he made his way upstream I found a wider expanse of sand and gravel, promptly plopping down on a pair of flip flops I had brought in my backpack as a make-shift seat. After identifying the northern harrier hawk over my head, and the savannas sparrows and red-winged blackbirds perched precariously on reeds across the water, I took out my knitting project. I didn’t have to worry about losing Brian; in the valley I could see for miles in both directions. 
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