Sunflower is a region of Maricopa County, Arizona, United States adjacent to the Mazatzal Wilderness, west of Tonto National Forest and northwest of Roosevelt Reservoir. Formerly a mercury-mining district, Sunflower is now a destination for hikers, campers and off-road vehicle tours. Sunflower is located near Arizona State Route 87, 22.8 miles northeast of Fountain Hills. Route 87 near Sunflower is called the Beeline Highway.