List of Areas of Critical Environmental Concern in Colorado

The United States Bureau of Land Management (BLM) has designated 66 Areas of Critical Environmental Concern in the State of Colorado.

Colorado ACECs

Adobe Badlands^[1] – 6,783 acres (27.45 km²)
American Basin^[2] – 1,595 acres (6.45 km²)
Anasazi Culture^[2] – 156,000 acres (631 km²)
Arkansas Canyonlands^[2] – 23,921 acres (96.80 km²)
Badger Wash – 1,520 acres (6.15 km²)
Beaver Creek – 12,081 acres (48.89 km²)
Black's Gulch – 800 acres (3.24 km²)
Blanca Wildlife Habitat Area – 8,600 acres (34.8 km²)
Blue Hill – 4,178 acres (16.91 km²)
Browns Canyon – 11,697 acres (47.34 km²)
Bull Gulch – 10,214 acres (41.33 km²)
Coal Draw – 1,840 acres (7.45 km²)
Coal Oil Rim – 3,210 acres (12.99 km²)
Cross Mountain Canyon – 3,000 acres (12.14 km²)
Cucharas Canyon – 1,866 acres (7.55 km²)
Cumbres and Toltec Railroad – 3,824 acres (15.48 km²)
Debris Hazard – 7,126 acres (28.84 km²)
Deep Creek – 2,470 acres (10.00 km²)
Deer Gulch – 1,810 acres (7.32 km²)
Dillon Pinnacles – 532 acres (2.15 km²)
Droney Gulch – 705 acres (2.85 km²)
Duck Creek – 3,430 acres (13.88 km²)
Dudley Bluffs – 1,630 acres (6.60 km²)
East Douglas Creek – 47,610 acres (192.67 km²)
Elephant Rocks – 1,338 acres (5.41 km²)
Escalante Canyon – 1,895 acres (7.67 km²)
Fairview^[1] – 377 acres (1.53 km²)
Fruita Paleo Quarry – 280 acres (1.13 km²)
Garden Park National Natural Landmark – 2,728 acres (11.04 km²)
Grape Creek – 15,978 acres (64.66 km²)
Gunnison Gravels – 5 acres (0.02 km²)
Irish Canyon – 11,680 acres (47.27 km²)
Kremling Ammonite Site Research Natural Area^[2] – 160 acres (0.65 km²)
Limestone Ridge – 1,350 acres (5.46 km²)
Lookout Mountain – 6,500 acres (26.30 km²)
Los Mogotes – 33,456 acres (135.39 km²)
Lower Colorado River – 9,000 acres (36 km²)
Lower Greasewood Creek – 210 acres (0.85 km²)
Moosehead Mountain – 8,940 acres (36.18 km²)
Mosquito Pass – 4,036 acres (16.33 km²)
Needle Rock^[1] – 80 acres (0.32 km²)
North Park Phaceila – 300 acres (1.21 km²)
Oil Spring Mountain – 18,260 acres (73.90 km²)
Phantom Canyon – 6,096 acres (24.67 km²)
Pyramid Rock – 470 acres (1.90 km²)
Rabbit Valley Research Natural Area – 280 acres (1.13 km²)
Rajadero Canyon – 3,632 acres (14.70 km²)
Raven Ridge – 4,980 acres (20.15 km²)
Red Cloud Peak – 5,947 acres (24.07 km²)
Rio Grande – 2,830 acres (11.45 km²)
Rough Canyon – 1,470 acres (5.95 km²)
Ryan Gulch – 1,440 acres (5.83 km²)
San Luis Hills/Flattop – 29,261 acres (118.42 km²)
San Miguel River^[1] – 20,964 acres (84.84 km²)
Sand Castle – 3,595 acres (14.55 km²)
Slumgullion National Natural Landmark – 1,407 acres (5.69 km²)
South Beaver Creek – 4,565 acres (18.47 km²)
South Cathedral Bluffs – 1,330 acres (5.38 km²)
Tabeguache Creek – 440 acres (1.78 km²)
The Palisade – 19,178 acres (77.61 km²)
Thompson Creek – 4,286 acres (17.34 km²)
Trickle Mountain – 44,521 acres (180.17 km²)
Unaweep Seep Research Natural Area – 37 acres (0.15 km²)
West Antelope Creek – 28,215 acres (114.18 km²)
White River Riparian – 950 acres (3.84 km²)
Yanks Gulch/Upper Greasewood Creek – 2,680 acres (10.85 km²)

References

1 2 3 4 "Draft Evaluation of Proposed and Existing Areas of Critical Environmental Concern for the Uncompahgre Planning Area" (PDF). United States Department of the Interior, Bureau of Land Management. June 2010. Retrieved October 22, 2012.
1 2 3 4 "BLM Colorado: Land Use Planning - Areas of Critical Environmental Concern". United States Department of the Interior, Bureau of Land Management. August 12, 2008. Retrieved October 22, 2012.

External links

State of Colorado

Denver (capital)

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Society	Crime Culture Demographics Economy Education Politics Sports

Regions	Central Colorado Denver-Aurora-Lakewood, CO Metropolitan Statistical Area Eastern Plains Front Range Grand Valley High Plains High Rockies Mineral Belt Northern Colorado Northwestern Colorado Piedmont Plateau Roan Plateau Roaring Fork Valley San Luis Valley Sangre de Cristo Mountains South-Central Colorado Southwest Colorado Uinta Mountains Uintah Basin Western Slope

Municipalities	Akron Alamosa Arvada Aspen Aurora Boulder Breckenridge Brighton Broomfield Cañon City Castle Rock Centennial Colorado Springs Commerce City Cortez Craig Delta Denver Durango Englewood Erie Evans Fairplay Federal Heights Fort Collins Fort Morgan Fountain Golden Glenwood Springs Grand Junction Greeley Greenwood Village Gunnison La Junta Lafayette Lakewood Lamar Leadville Littleton Longmont Louisville Loveland Montrose Northglenn Parker Platteville Pueblo Salida Steamboat Springs Sterling Superior Thornton Trinidad Vail Westminster Wheat Ridge Windsor

Counties	Adams Alamosa Arapahoe Archuleta Baca Bent Boulder Broomfield Chaffee Cheyenne Clear Creek Conejos Costilla Crowley Custer Delta Denver Dolores Douglas Eagle El Paso Elbert Fremont Garfield Gilpin Grand Gunnison Hinsdale Huerfano Jackson Jefferson Kiowa Kit Carson La Plata Lake Larimer Las Animas Lincoln Logan Mesa Mineral Moffat Montezuma Montrose Morgan Otero Ouray Park Phillips Pitkin Prowers Pueblo Rio Blanco Rio Grande Routt Saguache San Juan San Miguel Sedgwick Summit Teller Washington Weld Yuma

Protected areas of Colorado

Federal

National Parks	Black Canyon of the Gunnison Great Sand Dunes Mesa Verde Rocky Mountain

National Monuments	Browns Canyon (BLM-USFS) Canyons of the Ancients (BLM) Chimney Rock (USFS) Colorado Dinosaur Florissant Fossil Beds Hovenweep Yucca House

National Recreation Areas	Arapaho (USFS) Curecanti

National Historic Sites	Bent's Old Fort Sand Creek Massacre

National Historic Trails	Old Spanish Trail Oregon Trail Pony Express Trail Santa Fe Trail

National Scenic Trail	Continental Divide Trail

National Forests	Arapaho Grand Mesa Gunnison Pike Rio Grande Roosevelt Routt San Isabel San Juan Uncompahgre White River

National Grasslands	Comanche Pawnee

National Wilderness	Black Canyon of the Gunnison Black Ridge Canyons Buffalo Peaks Byers Peak Cache La Poudre Collegiate Peaks Comanche Peak Dominguez Eagles Nest Flat Tops Fossil Ridge Great Sand Dunes Greenhorn Mountain Gunnison Gorge Holy Cross Hunter-Fryingpan Indian Peaks James Peak La Garita Lizard Head Lost Creek Maroon Bells-Snowmass Mesa Verde Mount Evans Mount Massive Mount Sneffels Mount Zirkel Neota Never Summer Platte River Powderhorn Ptarmigan Peak Raggeds Rawah Rocky Mountain National Park Sangre de Cristo Sarvis Creek South San Juan Spanish Peaks Uncompahgre Vasquez Peak Weminuche West Elk

National Conservation Areas	Dominguez-Escalante Gunnison Gorge McInnis Canyons

National Wildlife Refuges	Alamosa Arapaho Baca Browns Park Monte Vista Rocky Flats Rocky Mountain Arsenal Two Ponds

BLM ACECs	66 Areas of Critical Environmental Concern

State

Colorado State Parks	Arkansas Headwaters Barr Lake Boyd Lake Castlewood Canyon Chatfield Cherry Creek Cheyenne Mountain Crawford Eldorado Canyon Eleven Mile Elkhead Golden Gate Canyon Harvey Gap Highline Lake Jackson Lake James M. Robb - Colorado River John Martin Reservoir Lake Pueblo Lathrop Lone Mesa Lory Mancos Mueller Navajo North Sterling Paonia Pearl Lake Ridgway Rifle Falls Rifle Gap Roxborough San Luis Spinney Mountain St. Vrain Stagecoach State Forest Staunton Steamboat Lake Sweitzer Lake Sylvan Lake Trinidad Lake Vega Yampa River

Colorado Natural Areas	Aiken Canyon Ant Hill Antero-Salt Creek Arikaree River Badger Wash Blacks Gulch Blue Mountain Bonny Prairie Boston Peak Fen Boulder Mountain Park Boulder Valley Heronry Brush Creek Fen California Park Castlewood Canyon Chalk Bluffs Colorado Tallgrass Prairie Comanche Grassland Copeland Willow Carr Cross Mountain Canyon Daves Draw Deep Creek Deer Gulch Dinosaur Ridge Dome Rock Droney Gulch Duck Creek Dudley Bluffs East Lost Park East Sand Dunes Elephant Rocks Elk River Escalante Canyon Escalante Creek Fairview Fourmile Creek Fruita Paleontological Garden Park Fossil Gateway Palisade Geneva Basin Iron Fens Gothic Gunnison Gravels Haviland Lake High Creek Fen High Mesa Grassland Hoosier Ridge Hurricane Canyon Indian Spring Indian Springs Trace Fossil Irish Canyon Jimmy Creek Ken-Caryl Ranch Kremmling Cretaceous Ammonite Lake Pasture Lake San Cristobal Limestone Ridge Lookout Mountain Lost Park Lower Greasewood Creek McElmo Mexican Cut Mini-Wheeler Miramonte Reservoir Mishak Lakes Moosehead Mountain Mount Callahan Mount Callahan Saddle Mount Emmons Iron Fen Mount Goliath Narraguinnep Needle Rock North Park Phacelia Orient Mine Owl Canyon Paradise Park Park Creek Hogback Park Mesa Pawnee Woodlands Pyramid Rock Rabbit Valley Rajadero Canyon Raven Ridge Redcloud Peak Rocky Mountain Woodfrog Pond Rough Canyon Roxborough Running Creek Ryan Gulch Saddle Mountain San Miguel River Sand Creek Shell Duck Creek Shell Rock Slumgullion Earthflow South Beaver Creek South Boulder Creek South Cathedral Bluffs Specimen Mountain Staunton Tabeguache Tamarack Ranch Tern Island Treasurevault Mountain Trinidad K-T Boundary Two Buttes Unaweep Seep Uncompahgre Fritillary Wacker Ranch West Creek Wheeler Geologic White Rocks Williams Creek Yanks Gulch/Upper Greasewood Creek Natural Area Zapata Falls

State Wildlife Areas	307 Colorado State Wildlife Areas

Other

Trails	American Discovery Trail Colorado Trail Continental Divide Trail Great Divide Trail Kokopelli Trail Paradox Trail Tabeguache Trail

Colorado Department of Natural Resources (web)

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List of Areas of Critical Environmental Concern in Colorado

Colorado ACECs

See also

References

External links