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 Lecture Series

On the second Monday each month at 12:15, join us for a new guest speaker. Visit for more information and to register for our upcoming lectures.  

Lectures are now in person and no longer being recorded, but we encourage you to enjoy these past lectures that were recorded while we were virtual.

"Timber Tales"


"Reading the Riordan Library"


The Women of Riordan Mansion

In the early 1900s the women outnumbered the men in the Riordan household nearly two to one. We will celebrate Women’s History Month with a focus on the women of the house. How did three sisters from Cincinnati end up in the wilds of Flagstaff, Arizona? Hear their stories and their accomplishments. Presented by Park Manager, Nikki Lober.


"En Vogue: Riordan Women's Fashions"


Learn All About Tea!

Learn all about one of the world’s most popular beverages…Tea! From Chinese Emperors, to Kings and even the Boston Tea Party, the history of tea is as rich and varied as the cultures that enjoy this popular beverage. Listen along and learn about tea traditions, types of tea, the effects of different teas, and so much more!


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