
1.7 miles away

A 7,150-foot botanical garden west of Flagstaff with 750 plant species, endowed in 1981 by donor Frances McAllister.
The Arboretum at Flagstaff is a 200-acre botanical garden on the west side of Flagstaff, Arizona, on Woody Mountain Road south of US Route 66. At 7,150 feet in elevation, it is among the highest-elevation public gardens in the United States, and holds 750 species of mostly drought-tolerant and native plants representative of the high-desert Colorado Plateau, including an extensive collection of the genus Penstemon. The site was originally forest and a working ranch, and was the home of Frances McAllister in the late 1960s; she donated the land and established the Arboretum's financial endowment in 1981. It is also home to the Merriam-Powell Research Station and the Southwest Experimental Garden Array.
Arboretum at Flagstaff is a botanical garden near Flagstaff, in Coconino County. It is one of the botanical gardens in this database, and appears in the statewide ranking of Arizona attractions.
No official visitor count is published for Arboretum at Flagstaff, so its score rests on public interest and tourism significance, and is capped below the level a measured attraction can reach. That is why the medium confidence above is not higher. The weighting is explained in full on the methodology page, and every axis is broken out under Facts and sources at the foot of this page.
Note on the data: No official visitor count is published for this attraction.
Record last verified 2026-08-12.


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