Yavapai County is located near the center of the U.S. state of Arizona. As of the 2010 census, its population was 211,073. The county seat is Prescott. Yavapai County comprises the Prescott, AZ Metropolitan Statistical Area.
Located between the Patapsco and the Potomac, the Patuxent River covers over 957 square miles, and bears the distinction of being the longest river exclusive to Maryland. Patuxent River with Solomons Island Bridge in distance (from St. Mary's County), Maryland, May 2000.
The lake is located along the Apache Trail and about 16 miles east of Tortilla Flat, in Maricopa County, Arizona. It is about 65 miles (104 km) northeast of Phoenix. Apache Lake is formed by Horse Mesa Dam impounded the Salt River, which was completed in 1927. The second largest of the four Salt River Project reservoirs, Apache Lake is located about 5 miles (8 km) downstream from Theodore Roosevelt Lake (the largest), and upstream from Canyon Lake and Saguaro Lake.