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The Platte Canyon is a deep, narrow, scenic gorge on the South Platte River in the Rocky Mountains of Colorado. The canyon is southwest of Denver on the border between Jefferson and Douglas counties. The canyon is at the entrance to the mountains, where the South Platte emerges through the Rampart Range through the hogbacks onto Eastern Plains. The lower narrow section is sometimes called Waterton Canyon, referring to Waterton, Colorado.
The term Platte Canyon is used varyingly to apply to the entire section of the South Platte and the North Fork South Platte in the mountains between South Park and the eastern plains. It also is often applied to the communities along the North Fork near Bailey. The narrowest part of the canyon is a remote and roadless gorge (Waterton Canyon) approximately 8 miles (13 km) long, at its lower extremity between the hamlet of South Platte and Kassler, where it emerges from the mountains. In this section, the canyon has walls that rise approximately 1000 ft (300 m) from the river bed. The river drops from an elevation of approximately 6100 ft at South Platte at the head of the gorge to approximately 5500 ft at the canyon mouth. In this area is a diversion dam that backs up water in the South Platte River, allowing some of it to be sent down the High Line Canal.
In the middle and late 1870s, the Denver, South Park and Pacific Railroad constructed the first railroad through the canyon and through the valley of the North Fork to South Park and eventually to Leadville and Gunnison. The line was initially a narrow gauge, and was later acquired by the Colorado and Southern Railway. Service on the line was terminated in 1937.
In the late 1920s, the Denver Board of Water Commissioners proposed building a dam to inundate the canyon, but the request was turned down by the Public Utilities Commission. A 1.7 mile section of Waterton Canyon was inundated by the Strontia Springs Reservoir, completed in 1983 as part of the Foothills Project for water diversion.
The South Platte River is one of the two principal tributaries of the Platte River. Flowing through the U.S. states of Colorado and Nebraska, it is itself a major river of the American Midwest and the American Southwest/Mountain West. Its drainage basin includes much of the eastern flank of the Rocky Mountains in Colorado, much of the populated region known as the Colorado Front Range and Eastern Plains, and a portion of southeastern Wyoming in the vicinity of the city of Cheyenne. It joins the North Platte River in western Nebraska to form the Platte, which then flows across Nebraska to the Missouri. The river serves as the principal source of water for eastern Colorado. In its valley along the foothills in Colorado, it has permitted agriculture in an area of the Colorado Piedmont and Great Plains that is otherwise arid.
The Royal Gorge is a canyon of the Arkansas River located west of Cañon City, Colorado. The canyon begins at the mouth of Grape Creek, about 2 mi (3.2 km) west of central Cañon City, and continues in a west-northwesterly direction for approximately 6 mi (9.7 km) until ending near U.S. Route 50. Being one of the deepest canyons in Colorado, it is also known as the Grand Canyon of the Arkansas (River), with a maximum depth of 1,250 ft (380 m). The canyon is also very narrow, measuring from 50 ft (15 m) wide at its base to 300 ft (91 m) wide at its top, as it carves a path through the granite formations below Fremont Peak and YMCA Mountain, which rise above the north and south rims, respectively.
Black Canyon of the Gunnison National Park is an American national park located in western Colorado and managed by the National Park Service. There are two primary entrances to the park: the south rim entrance is located 15 miles (24 km) east of Montrose, while the north rim entrance is 11 miles (18 km) south of Crawford and is closed in the winter. The park contains 12 miles (19 km) of the 48-mile-long (77 km) Black Canyon of the Gunnison River. The national park itself contains the deepest and most dramatic section of the canyon, but the canyon continues upstream into Curecanti National Recreation Area and downstream into Gunnison Gorge National Conservation Area. The canyon's name owes itself to the fact that parts of the gorge only receive 33 minutes of sunlight a day, according to Images of America: The Black Canyon of the Gunnison. In the book, author Duane Vandenbusche states, "Several canyons of the American West are longer and some are deeper, but none combines the depth, sheerness, narrowness, darkness, and dread of the Black Canyon."
The Cache la Poudre River, also known as the Poudre River, is a river in the state of Colorado in the United States.
The Big Thompson River is a tributary of the South Platte River, approximately 78 miles (126 km) long, in the U.S. state of Colorado. Originating in Forest Canyon in Rocky Mountain National Park, the river flows into Lake Estes in the town of Estes Park and then through Big Thompson Canyon. It includes four crossings/bridges which are listed on the U.S. National Register of Historic Places.
The Yampa River flows 250 miles (400 km) through northwestern Colorado, United States. Rising in the Rocky Mountains, it is a tributary of the Green River and a major part of the Colorado River system. The Yampa is one of the few free-flowing rivers in the western United States, with only a few small dams and diversions.
The Feather River is the principal tributary of the Sacramento River, in the Sacramento Valley of Northern California. The river's main stem is about 73 miles (117 km) long. Its length to its most distant headwater tributary is just over 210 miles (340 km). The main stem Feather River begins in Lake Oroville, where its four long tributary forks join—the South Fork, Middle Fork, North Fork, and West Branch Feather Rivers. These and other tributaries drain part of the northern Sierra Nevada, and the extreme southern Cascades, as well as a small portion of the Sacramento Valley. The total drainage basin is about 6,200 square miles (16,000 km2), with approximately 3,604 square miles (9,330 km2) above Lake Oroville.
Middle Park is a high basin in the Rocky Mountains of north-central Colorado in the United States. It is located in Grand County, on the southwest slope of Rocky Mountain National Park, approximately 50 miles (80 km) west of Boulder.
The Denver, South Park, and Pacific Railroad was a historic 3 ft narrow gauge railroad that operated in Colorado in the western United States in the late 19th century. The railroad opened up the first rail routes to a large section of the central Colorado mining district in the decades of the mineral boom. The railroad took its name from the fact that its main line from Denver ascended the Platte Canyon and traversed South Park, hence its popular name "The South Park Line." Despite its lofty goals, the line never connected itself with the Pacific or any transcontinental line, apart from its terminal at Denver Union Station.
Clear Creek is a tributary of the South Platte River, approximately 66 miles (106 km) long, in north central Colorado in the United States. The creek flows through Clear Creek Canyon in the Rocky Mountains directly west of Denver, descending through a long gorge to emerge at the town of Golden, finally ending in the Colorado Eastern Plains where it joins the South Platte. Clear Creek is unusual in that it is a stream named "creek" fed by a stream named "river"; typically "rivers" are fed by "creeks", and are larger bodies of water, although the nomenclature is ambiguous and there is no clear system. Fall River empties into Clear Creek along I-70 west of Idaho Springs, Colorado.
The North Fork South Platte River is a tributary of the South Platte River, approximately 50 miles (80 km) long, in central Colorado in the United States. The river is located near the headwaters of the South Platte in the Rocky Mountains southwest of Denver, draining a rugged area of the Front Range just south of the basin of Clear Creek.
Curecanti National Recreation Area is a National Park Service unit located on the Gunnison River in western Colorado. Established in 1965, Curecanti National Recreation Area is responsible for developing and managing recreational facilities on three reservoirs, Blue Mesa Reservoir, Morrow Point Reservoir and Crystal Reservoir, constructed on the upper Gunnison River in the 1960s by the U.S. Bureau of Reclamation to better utilize the vital waters of the Colorado River and its major tributaries. A popular destination for boating and fishing, Curecanti offers visitors two marinas, traditional and group campgrounds, hiking trails, boat launches, and boat-in campsites. The state's premiere lake trout and Kokanee salmon fisheries, Curecanti is a popular destination for boating and fishing, and is also a popular area for ice-fishing in the winter months.
The Colorado–Big Thompson Project is a federal water diversion project in Colorado designed to collect West Slope mountain water from the headwaters of the Colorado River and divert it to Colorado's Front Range and plains. In Colorado, approximately 80% of the state's precipitation falls on the West Slope, in the Rocky Mountains, while around 80% of the state's growing population lives along the eastern slope, between the cities of Fort Collins and Pueblo.
The Colorado and Southern Railway was an American Class I railroad in the western United States that operated independently from 1898 to 1908, then as part of the Chicago, Burlington and Quincy Railroad until it was absorbed into the Burlington Northern Railroad in 1981.
The High Line Canal (HLC) is a man-made waterway, used for irrigation and recreation, that serves the Denver-Aurora metropolitan area. It begins at a diversion dam on the South Platte River, some 1.8 miles (2.9 km) above the mouth of Waterton Canyon. From its headgate, the HLC runs generally northeast for 66 miles (106 km), passing through Douglas, Arapahoe, Denver, and Adams Counties.
The Curecanti Needle is a 700-ft granite spire located on the Gunnison River in western Colorado. A notable landmark to generations of natives and pioneers, the Needle is located on the southern bank of Morrow Point Reservoir, an impoundment of the Gunnison river between Gunnison and Montrose, Colorado. Used for many years as an advertising symbol for the Denver and Rio Grande Western Railroad, whose narrow-gauge railway famously ran along the northern bank of the river and passed near the Needle, the spire is today part of the Curecanti National Recreation Area, a National Park Service facility that encompasses three impoundments of the Gunnison river, including Morrow Point Reservoir.
The Colorado River is a major river of the western United States and northwest Mexico in North America. Its headwaters are in the Rocky Mountains where La Poudre Pass Lake is its source. Located in north central Colorado it flows southwest through the Colorado Plateau country of western Colorado, southeastern Utah and northwestern Arizona where it flows through the Grand Canyon. It turns south near Las Vegas, Nevada, forming the Arizona–Nevada border in Lake Mead and the Arizona–California border a few miles below Davis Dam between Laughlin, Nevada and Needles, California before entering Mexico in the Colorado Desert. Most of its waters are diverted into the Imperial Valley of Southern California. In Mexico its course forms the boundary between Sonora and Baja California before entering the Gulf of California. This article describes most of the major features along the river.
Bayou Gulch is one of the tributaries of Cherry Creek, located mainly in the U.S. state of Colorado. It is part of the Colorado Eastern Plains. An archaeologically sensitive portion of the gulch was listed on the National Register of Historic Places in 2020.
Waterton, Colorado is a populated place located along the South Platte River in Platte Canyon of Jefferson County, Colorado. Cañon Spur in Waterton was a Denver, South Park and Pacific Railroad (DSP&P) station. It was a settlement named Enterprise, with a post office from 1879 to 1881. Its name was changed to Platte Cañon, legally changed to Watertown in 1916, and is now known as Waterton. It is located near Kassler, another DSP&P station, established in 1872.
