| Union Warehouse | |
| Designated Other1: | Colorado |
| Designated Other1 Number: | 5DV.47.64 |
| Designated Other1 Num Position: | bottom |
| Coordinates: | 39.7517°N -104.9978°W |
| Built: | 1882 |
| Architect: | Eberley, F.C. |
| Architecture: | Late Victorian |
| Added: | June 03, 1982 |
| Area: | 0.1acres |
| Refnum: | 82002297 |
The Barth Hotel, also known as the Union Warehouse, is located in Denver, Colorado. It was built in 1882 and was added to the National Register of Historic Places in 1982. In 1980, it was the oldest continuously operated hotel in Denver.
It has also been known as the Union Hotel, the New Union Hotel, the Elk Hotel, and the New Elk Hotel.
It is a four-story building with a NaNfeet plan, designed by Denver architect F.C. Eberley. Its first floor is 18.33feet from floor to ceiling. Originally the hotel occupied the top three floors; only later was a hotel lobby was added in the first floor.[1]