Casa Grande Ruins National Monument
Hohokam multi-storey ruin, Classic Period (1150–1450 CE)
Explore the Map
Casa Grande Ruins National Monument
32.9970° N, -111.5321° E
About
Casa Grande Ruins National Monument (O'odham: Siwañ Waʼa Ki: or Sivan Vahki), in Coolidge, Arizona, located northeast of Casa Grande, Arizona, preserves a group of Hohokam structures dating to the Classic Period (1150–1450 CE).
Historical Timeline
Journey through time and discover key events in this site's history
National monument designation
August 3, 1918
Listed on National Register of Historic Places
October 15, 1966
Casa Grande Reservation proclaimed
June 22, 1892
Hohokam occupation (Classic Period)
1150–1450 CE
Father Eusebio Kino visit
November 1694
Early repairs
1891
Wooden protective shelter
1903
Olmsted ramada built
1932
Civilian Conservation Corps construction
1937–1940
Archaeological Features
Unique architectural and cultural elements found at this historical site
Defensive Structures
Water Management Features
Public and Civic Structures
Artistic and Decorative Features
Agricultural and Land Use Features
Domestic and Habitation Structures
Frequently Asked Questions
Plan Your Visit
Tours, travel arrangements, and practical information
More Sites in United States
Schwerdt site
Late Woodland seasonal encampment, 15th century Michigan
Potomac Palisades Site
Late Archaic lithic workshop, Washington, D.C.
Rock Hawk
Woodland effigy mound in Georgia, USA
Black Mountain (Pima County, Arizona)
Hohokam fortification on a lava-capped mesa, Arizona
Homayo
Tewa Pueblo ruin in New Mexico
Bone Mound II
Fort Ancient burial mound in southwestern Ohio