Riordan Mansion State Historic Park
| Riordan Mansion State Historic Park | |
|---|---|
Riordan Mansion State Historic Park Location in Arizona | |
| Location | Flagstaff, Arizona, United States |
| Coordinates | 35°11′16″N 111°39′29″W / 35.187764°N 111.658054°W |
| Area | 5 acres (2.0 ha) |
| Elevation | 6,900 ft (2,100 m) |
| Established | 1978 |
| Administered by | Arizona State Parks & Trails |
| Visitors | 12,273 (in 2024) |
| Website | Official website |
Riordan Mansion State Historic Park is a historic site in Flagstaff, Arizona, bordering Northern Arizona University, that preserves the duplex mansion of lumber barons Timothy and Michael Riordan.