Programs & Events
Riordan Mansion State Historic Park
Evening Lecture: Bats of Northern Arizona
Tuesday, September 22, 2026
5:30-7 p.m.
Riordan Mansion is proud to offer this Bat Conservation International-guided Bat Presentation and Walk. Kathleen Slocum will share the fascinating story of bats in Arizona, followed by a walk on the Riordan Mansion grounds. Registration required.
Festival of Science Lecture: The Merriam Expedition to San Francisco Mountain — Life Zones and the Founding of Ecology
Sunday, September 27, 2026
.jpeg)
6-7 p.m.
This special lecture for the Flagstaff Festival of Science is presented by historian Roy May. Roy will tell the story of the 1889 C. Hart Merriam expedition, its origin, and importance. Merriam developed the Life Zone concept as a means of describing areas with similar plant and animal communities, which helped shape the founding principles of ecology. Registration required.
Riordan Mansion Special Tour: Art and Architecture
October 11, 2026
9 - 10:30 a.m.
Riordan Mansion and art have gone hand in hand since the mansion was created in 1904; through artwork that decorates the interior and the structure of the house itself. This specialty tour examines the Riordans’ art collection and the Arts and Crafts Movement which inspired the design for the Riordans’ home.
Riordan Mansion Halloween Tours
October 28, 29, and 30, 2026
7, 8, and 9 p.m. nightly
The historic Riordan Mansion makes a great backdrop for spinning yarns appropriate to the Halloween season. This very popular guided tour for adults is a storytelling session involving tales of the fantastic and the factual. Reservation required!
Riordan Mansion Special Tour: Historic Milton Walking Tour
Sunday, November 8, 2026
3 - 4:30 p.m.
A 90-minute guided walk from Riordan Mansion to explore the Arizona Lumber and Timber Company property and the town site of Milton.
The Riordan Mansion is ready for Christmas
December 1 - January 6
The Mansion is festively decorated in turn-of-the-century style with wreaths, garlands, greenery and a towering fir tree trimmed with old-fashioned ornaments. Guided tours during this time include glimpses of folklore and traditions of Christmas, both past and present.
Riordan Special Tour: Christmas Twilight Tour
December 20, 21, 22, and 23, 2026
5-6 p.m.
The original 1904 light fixtures with Edison style bulbs provide a beautiful glow in the Riordan Mansion for this special evening tour.
Strolling With Santa
Sunday, December 20, 2026
4-6 p.m.
Santa will be strolling the grounds, Visitor Center, and West House museum to visit with children to hear their Christmas wishes.
Riordan Mansion Luminaria Walk
December 20, 21, 22, and 23, 2026
5-6 p.m.
Enjoy the view of the Riordan Mansion by the light of luminarias lining the path. The grounds will be open until 6 pm and hot apple cider will be available in the visitor center with your $5.00 park admission. Event is weather permitting.
