| Woolsey Ranchhouse Ruins | |
| Location: | North of Humboldt, Arizona off State Route 69 |
| Nearest City: | Humboldt, Arizona |
| Coordinates: | 34.5119°N -112.2311°W |
| Built: | 1863 |
| Added: | November 7, 1977 |
| Refnum: | 77000240 |
The Woolsey Ranchhouse Ruins, located north of Humboldt, Arizona off State Route 69, is a historic site with significance dating to 1863. It is a remnant of King Woolsey's ranch and is listed on the National Register of Historic Places.[1]
A 0.8acres area including the ruins was listed on the National Register in 1977.