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.
Evening Lecture: Northern Arizona Deltiology: History in Postcards
Riordan Mansion State Historic Park
Tuesday, July 28, 2026 5:30-6:30 p.m.
John DeGraff has been an avid collector of North Arizona postcards for close to 30 years. John's enthusiasm for Flagstaff history started with his time working at the Weatherford Hotel (1998-2008). Later, he found himself working for the Arizona Historical Society at the Pioneer Museum and Riordan Mansion. He has also contributed to many projects around Flagstaff using his postcards, including several books.
Come peruse John's collection while he discusses postcard history and what makes collecting postcards interesting. His collection includes original postcards of; Historic Flagstaff, Route 66, the San Francisco Peaks, NAU, Sedona and Oak Creek, and many other Northern Arizona Attractions.
Space is limited. Reserve your spot online at https://azstateparks.com/reserve/Activities/Search.aspx or call 928-779-4395 for additional information and same day availability. The presentation will be free thanks to Riordan Action Network.
MORE EVENTS
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Tuesday, June 23, 2026
Evening Lecture: Flagstaff at 150 — Exploring Our Town's History
To celebrate the 150th anniversary, we will explore the history starting with the raising of the flagstaff which led to naming of our town and other major events leading to Flagstaff’s identity. Registration required.
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Sunday, July 12, 2026
Riordan Mansion Special Tour: Stickley Room by Room
Join us for a tour focused on Gustav Stickley furniture and the Arts and Crafts Style
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August 9, 2026
Riordan Mansion Special Tour: Historic Milton Walking Tour
A 90-minute guided walk from Riordan Mansion to explore the Arizona Lumber and Timber Company property and the town site of Milton. This is an Outdoors250 event.
