Amache Study Act This bill directs the Department of the Interior to conduct a special resource study of the site known as Amache, Camp Amache, and Granada Relocation Center, in Granada, Colorado, which was 1 of the 10 relocation centers where Japanese Americans were incarcerated during World War II. In conducting such study, Interior shall evaluate the national significance of such relocation center and determine the suitability and feasibility of designating it as a unit of the National Park System.