Riordan Mansion State Historic Park

Riordan Mansion State Historic Park
Riordan Mansion State Historic Park
Location in Arizona
LocationFlagstaff, Arizona, United States
Coordinates35°11′16″N 111°39′29″W / 35.187764°N 111.658054°W / 35.187764; -111.658054
Area5 acres (2.0 ha)
Elevation6,900 ft (2,100 m)
Established1978
Administered byArizona State Parks & Trails
Visitors12,273 (in 2024)
WebsiteOfficial 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.