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.
Programs & Events
Riordan Mansion State Historic Park
Evening Lecture: Flagstaff at 150 — Exploring Our Town's History
Tuesday, June 23, 2026
5:30-6:30 p.m.
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.
Riordan Mansion Special Tour: Stickley Room by Room
Sunday, July 12, 2026
9 a.m.
Join us for a tour focused on Gustav Stickley furniture and the Arts and Crafts Style
Evening Lecture: Northern Arizona Deltiology: History in Postcards
Tuesday, July 28, 2026
5:30-6:30 p.m.
Learn about postcard history and what makes collecting postcards interesting.
Riordan Mansion Special Tour: Historic Milton Walking Tour
August 9, 2026
9-10:30 a.m.
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.