The park will remain open during ongoing restoration projects.
The main entrance and parking lot are located at 409 W Riordan Rd., two blocks east of Milton Rd. next to the NAU parking garage.
Riordan Mansion Special Tour: Historic Milton Walking Tour
Riordan Mansion State Historic Park
May 10, 2026 9-10:30 a.m.
A special 90-minute guided walk covering about two miles from Riordan Mansion to explore the Arizona Lumber and Timber Company property and the town site of Milton. We will look at the buildings that are left and show historic photos of what was once there.
This tour is recommended for ages twelve and older. Space is limited, advanced ticket purchase is required. Cost $22 per person. Tickets can be purchased at https://azstateparks.com/
This event is part of Outdoors250, a celebration of America’s 250th anniversary and Arizona’s natural heritage. By participating in this event, you can enter to win Outdoors250 prizes by signing up at AZStateParks.com/Outdoors250.
MORE EVENTS
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April 12, 2026
Riordan Mansion Special Tour: Prohibition
A special guided tour of Riordan Mansion with a focus on Prohibition in Flagstaff and what was happening in the Riordan house. Space is limited; advanced ticket purchase is required.
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Tuesday, April 28
Riordan Mansion Evening Lecture: Milton, Arizona: A Conversation About Company Towns
Everyone in Flagstaff knows Milton Road, but few know that Milton once was a separate company town owned by the Arizona Lumber & Timber Compan
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Tuesday, May 26, 2026
Evening Lecture: Arizona at 250
Dr. Kelley Hays-Gilpin is our special presenter as we look back at the founding of the United States, nearly 250 years ago. In the struggle between American colonists and the British Empire, how did Indigenous people and the Spanish Empire play a role? And what was happening in what’s now Arizona while a war for independence was raging in the east?
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June 14, 2026
Riordan Mansion Special Tour: The Next Doors
The regular guided tour of the Riordan Mansion takes visitors through the East House, the home of Timothy & Caroline, where you learn about their family. But what about the family in the West House?