0.3 miles away

Riordan Mansion State Historic Park
An Arizona state park in Flagstaff preserving the duplex mansion of the lumber barons Timothy and Michael Riordan.
- Rank in Arizona
- #497of 727 ranked
- Overall score
- Score 28.4 out of 100high confidence
- Annual visits
- 19,488counted in 2024
- Category
- State Historic Park
Riordan Mansion State Historic Park is an Arizona state park in Flagstaff, bordering the campus of Northern Arizona University. It preserves the duplex mansion of the lumber barons Timothy and Michael Riordan. It recorded 19,488 visits in 2024.
Where it is
Riordan Mansion State Historic Park is a state historic park near Flagstaff, in Coconino County. It is one of the state historic parks in this database, and appears in the statewide ranking of Arizona attractions.
How this ranking was reached
The score combines the published visitor count with public interest and tourism significance, which is what earns it high confidence. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.
Sources
- Visitation: Arizona Office of Tourism Monthly State Parks Visitation Report (December 2025); source Arizona State Parks, compiled by AHRRC(opens in a new tab)
- Public interest: Wikimedia pageviews (en.wikipedia, human traffic), 2024
- Coordinates and designations: Wikidata(opens in a new tab)
- County: U.S. Census geography via FCC Area API, resolved from coordinates
- Official site: https://www.azstateparks.com/riordan-mansion(opens in a new tab)
Record last verified 2026-08-12.
More photographs

Public domain · source(opens in a new tab) 
Laurelle Stoughton, CC BY-SA 4.0 · licence(opens in a new tab) · source(opens in a new tab)
Nearby attractions
- The Northern Arizona University Art Museum, in Flagstaff, Arizona, holds rotating exhibits of local and international art.

0.7 miles away
Walkup Skydome
An 11,230-seat indoor stadium at Northern Arizona University in Flagstaff, home to the NAU Lumberjacks.
1.0 miles away
Lowell Observatory
The Flagstaff observatory where Pluto was discovered in 1930, founded in 1894 and still open for public observing.
2.4 miles away
Pioneer Museum
Pioneer Museum, in Flagstaff, Arizona, collects and exhibits artefacts and photographs on the history of Flagstaff and northern Arizona.2.5 miles away
Coconino Center for the Arts
A Flagstaff arts museum described as the largest gallery in northern Arizona, showing local and regional artists' work.
3.2 miles away
Museum of Northern Arizona
A Flagstaff museum founded in 1928, holding Indigenous material and natural history collections from the Colorado Plateau.
Facts and sources
Place
- Category
- State Historic Park
- Destination
- Flagstaff
- County
- Coconino County
- State
- Arizona
- Designations
- National Register of Historic Places listed place
Visitation
- Annual visits
- 19,488 (2024)
- What is counted
- visits
Ranking
- Overall score
- 28.4 / 100
- Visitation score
- 10.2
- Popularity score
- 17.3
- Significance score
- 65.0
- Confidence
- high
Visiting
- Official website
- azstateparks.com(opens in a new tab)
- Coordinates
- 35.1889, -111.6580
- Last verified
- 2026-08-12