High Quality Content by WIKIPEDIA articles! The Congress Mine is a gold mine located at the ghost town of Congress, Arizona on the southeastern slope of the Date Creek Mountains, approximately 18 miles north-northeast of Wickenburg, Arizona at an elevation of about 3,000 feet (Lat. 34.216 - Long. -122.841). The nearest community, four miles away, is modern Congress, formerly known as Congress Jct railroad station or Martinez Post Office. The Congress Mine produced substantial quantities of Gold and was considered one of the most productive gold mines in Arizona.