| Trading post | Other names | Current county | Location | Elevation | Established | Abandoned | Status |
| Fort Uncompahgre | Fort Robidoux | Delta |
| 1828 | 1844 | Reconstruction | - |
| Gantt's Picket Post | Fort Gantt | Bent | | | 1832 | 1834 | No remains |
| Bent's Fort | Bent's Old Fort, Fort William, Bent's Picket Post | Otero |
| 1833 | 1849 | Bent's [Old Fort National Historic Site|National Historic Site]. | - |
| Jimmy's Camp | Jimmy Camp | El Paso | | | 1833 | 1868 | Nothing remains. |
| Fort Cass | | Pueblo | | | 1834 | 1835 | No remains |
| Fort Convenience | | Adams | | | 1834 | 1835 | No remains |
| Fort Le Duc | Fort Maurice, Buzzard's Roost, El Cuervo | Custer | | | 1830s | 1854 | No remains |
| Fort Vasquez | | Weld |
| 1835 | 1842 | Restored and museum | - |
| Fort Saint Vrain | Fort George, Fort Lookout | Weld |
| 1837 | 1855 | Historical marker | - |
| Fort Lupton | Fort Lawrence | Weld | | | 1837 | 1844 | Reconstructed |
| Fort Jackson | | Weld | | | 1837 | 1838 | Foundation remains |
| Fort Gerry | | Weld | | | late 1830s | 1840s | |
| Milk Fort | Fort Leche, Pueblo de Leche, Fort El Puebla, Peebles Fort, Fort Independence | Otero | | | late 1830s | | No remains |
| Fort Davy Crockett | Fort Misery | Moffat |
| late 1830s | | | - |
| Fraeb's Post | Fort Fraeb | Routt | | | 1840 | 1841 | No remains |
| Pueblo (Colorado)|El Pueblo] | Fort Pueblo | Pueblo | | | 1842 | 1854 | No remains |
| Bent's New Fort | | Bent |
| 1853 | 1860 | Foundation remains | - |
| Fort Namaqua | Modena's Crossing, Namaqua Station, Mariano's Crossing, Big Thompson, Miraville | Larimer | | | 1858 or 1859 | 1868 | Historical marker at Namaqua Park |
| Fort Julesburg | | Sedgwick |
| 1860 | 1861 | | - |