Casa Grande Ruins National Monument 
1100 West Ruins Drive
Coolidge, AZ 85228
520-723 3172
http://www.nps.gov/cagr/
National Park: History, Picnic, Walk
Casa Grande Ruins National Monument preserves an ancient Hohokam farming community and “Great House.” Created as the nation’s first archeological reserve in 1892, the site was declared a National Monument in 1918.