Name
|
Other names
|
Location
|
Current county
|
Year founded
|
Year abandoned
|
Type
|
Status
|
Pike's Stockade
|
|
Sanford
|
Conejos
|
1807
|
1807
|
U.S. Army stockade
|
Reproduction
|
Spanish Fort
|
Fort Sangre de Cristo
|
Sangre de Cristo Pass
|
Costilla
|
1819
|
1821
|
Spanish Army fort
|
|
Fort Talpa
|
|
Farisita
|
Huerfano
|
1820s
|
|
Spanish post
|
|
Fort Uncompahgre
|
Fort Robidoux
|
Delta area
|
Delta
|
1820s
|
1844
|
Trading post
|
Reconstruction
|
Gantt's Picket Post
|
Fort Gantt
|
Las Animas
|
Bent
|
1832
|
1834
|
Trading post
|
No remains
|
Fort Cass
|
|
Pueblo area
|
Pueblo
|
1834
|
1835
|
Trading post
|
No remains
|
Fort Convenience
|
|
Welby area
|
Adams
|
1834
|
1835
|
Trading post
|
No remains
|
Bent's Old Fort
|
Fort William
|
La Junta area
|
Otero
|
1834
|
1849
|
Trading post
|
National Historic Site and museum
|
Fort Le Duc
|
Fort Maurice, Buzzard's Roost, El Cuervo
|
Wetmore area
|
Custer
|
1830s
|
1854
|
Trading post
|
No remains
|
Fort Vasquez
|
|
Platteville
|
Weld
|
1835
|
1842
|
Trading post
|
Restored and museum
|
Fort Jackson
|
|
Ione area
|
Weld
|
1837
|
1838
|
Trading post
|
Foundation remains
|
Fort Lupton
|
Fort Lawrence
|
Fort Lupton
|
Weld
|
1837
|
1844
|
Trading post
|
Reconstructed
|
Fort Saint Vrain
|
Fort George, Fort Lookout
|
Platteville
|
Weld
|
1837
|
1855
|
Trading post
|
Historical marker
|
Fort Gerry
|
|
Kersey area
|
Weld
|
late 1830s
|
1840s
|
Trading post
|
|
Milk Fort
|
Fort Leche, Pueblo de Leche, Fort El Puebla, Peebles Fort, Fort Independence
|
Las Animas
|
Otero
|
late 1830s
|
|
Trading post / settlement
|
No remains
|
Fort Davy Crockett
|
Fort Misery
|
Browns Park National Wildlife Refuge
|
Moffat
|
late 1830s
|
|
Trading post
|
|
Fraeb's Post
|
Fort Fraeb
|
Steamboat Springs area
|
Routt
|
1840
|
1841
|
Trading post
|
No remains
|
El Pueblo
|
Fort Pueblo, Fort Nepesta, Fort Fisher, Fort Juana, Fort Spaulding, Robert Fisher's Fort
|
Pueblo
|
Pueblo
|
1842
|
1854
|
Trading Post
|
No remains
|
Fort Huerfano
|
|
Avondale
|
Pueblo
|
1845
|
|
Encampment
|
No remains
|
Mormon Battalion and The Vanguard Company of 1847, Mormon Trail
|
Fort Independence
|
Pueblo
|
Pueblo
|
1846
|
1847
|
Mormon homes
|
No remains
|
Fort Massachusetts
|
|
Fort Garland
|
Costilla
|
1852
|
1858
|
U.S. Army fort
|
Archaeological site
|
Bent's New Fort
|
See Fort Lyon 1
|
Lamar area
|
Bent
|
1853
|
1860
|
Trading post
|
Foundation remains
|
Fort Garland
|
|
Fort Garland
|
Costilla
|
1858
|
1883
|
U.S. Army fort
|
Reconstructed
|
Fort Namaqua
|
Modena's Crossing, Namaqua Station, Mariano's Crossing, Big Thompson, Miraville
|
Loveland
|
Larimer
|
1858 or 1859
|
1868+
|
Trading post
|
Historical marker at Namaqua Park
|
Fort Mary B
|
Fort Independence, Fort Independent, Fort Breckenridge, Fort Meribeh
|
Breckenridge
|
Summit
|
1859
|
|
Stockade
|
No remains
|
Fort Lyon 1
|
Fort Fauntleroy, Fort Wise
|
Lamar area
|
Prowers
|
1860
|
1867
|
U.S. Army fort
|
Destroyed by fire
|
Fort Weld
|
|
Denver
|
Denver
|
1861
|
1865
|
U.S. Army post
|
Historical marker at 8th/Vallejo
|
Camp Collins / Fort Collins
|
|
Fort Collins
|
Larimer
|
1862
|
1867
|
U.S. Army camp / fort
|
No remains
|
Francisco Fort
|
Fort Francisco
|
La Veta
|
Huerfano
|
1862
|
1902
|
Civilian fort
|
Refurbished, now a museum
|
Fort Morgan
|
Camp Tyler, Camp Wardwell
|
Fort Morgan
|
Morgan
|
1864
|
1868
|
U.S. Army post
|
Historical marker in city park
|
Fort Wicked
|
|
Merino
|
Logan
|
1864
|
1868
|
House
|
Historical marker at US-6/CR-26
|
Fort Sedgwick
|
Post at Julesburg, Camp Rankin, Fort Ranking
|
Sedgwick
|
Sedgwick
|
1864
|
1871
|
U.S. Army post
|
Historical marker
|
Fort Reynolds
|
|
Avondale
|
Pueblo
|
1867
|
1872
|
U.S. Army post
|
Historical marker
|
Fort Lyon 2
|
|
Las Animas
|
Bent
|
1867
|
1897
|
U.S. Army post
|
|
Fort Lewis 1
|
Cantonment at Pagosa Springs
|
Pagosa Springs
|
Archuleta
|
1878
|
1880
|
U.S. Army post
|
Site is a city park
|
Fort Flagler
|
Camp at Animas City
|
Durango
|
La Plata
|
1879
|
|
Temporary stockades
|
|
Fort Meeker
|
Cantonment on White River
|
Meeker
|
Rio Blanco
|
1879
|
1883
|
U.S. Army camp
|
Quarters refurbished, museum
|
Fort Lewis 2
|
|
Hesperus
|
La Plata
|
1880
|
1891
|
U.S. Army post
|
Converted to Indian boarding school
|
Fort Crawford
|
Cantonment at Uncompahgre
|
Montrose
|
Montrose
|
1880
|
1891
|
U.S. Army post
|
Historical marker
|
Fort Narraguinnep
|
|
Dolores area
|
Montezuma
|
1885
|
|
Rancher's fort
|
U.S. Forest Service sign
|
Fort Logan
|
Fort Sheridan
|
southwest Denver
|
Denver and Arapahoe
|
1887
|
1946
|
U.S. Army post
|
One building is a museum
|