History and culture - San Luis Valley
The old Rio Grande depot in Alamosa, and what it is now
The historic Denver & Rio Grande Railroad depot on State Street in Alamosa, rebuilt after a 1907 fire and listed on the National Register, today houses the Colorado Welcome Center.
Published June 10, 2026 - Last verified June 10, 2026
Alamosa was built as a railroad town, and one building still stands as the clearest reminder: the old Denver & Rio Grande depot on State Street. It is worth knowing the story behind it.
The depot you can see today is not the first one. The original 1878 depot burned in a fire in 1907, and the railroad put up the brick replacement that stands now in 1908 and 1909. For decades this was the center of rail shipping for the whole San Luis Valley, where people, freight, and livestock moved through. When rail traffic faded in the mid-1900s, the depot closed.
It did not sit empty. Alamosa County bought the building in 1961 and used it for county offices, and in later years it housed a Colorado Welcome Center, the kind of state-run stop where travelers pick up maps and local information. The depot was added to the National Register of Historic Places in 1993, which marks it as a place worth preserving.
For a newcomer, the depot is a good first stop to understand the town: its rail roots are right there in the brickwork. Because the building’s use has shifted over the years, check what is open there now through the City of Alamosa or History Colorado before planning a visit.