Harquahala Peak Observatory

E of Wenden off U.S. 60, Wenden, Arizona

Photos 

Photo taken by Steve Conro

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Map 

Description 

Harquahala Peak Observatory was built in 1920 by the Smithsonian Astrophysical Observatory to measure and record solar activity. Although deserted now, from 1920-1925. Although address may be Wendon, access is off Eagle Eye rd south of Aquila.

National Register information 

Status
Posted to the National Register of Historic Places on October 3, 1975
Reference number
75000370
Area of significance
Science
Level of significance
National
Evaluation criteria
A - Event
Property type
Building
Historic function
Research facility
Period of significance
1900-1924
Significant year
1920
Number of properties
Contributing buildings: 2

Sources