Big Sugar Creek is a 47-mile-long (76 km) waterway in the Ozark Mountains of southwest Missouri. The creek starts near the Arkansas state line. Big Sugar starts from three tributaries. One flows north from Garfield, Arkansas, and one, west near Seligman, Missouri, and another, south from Washburn, Missouri. Big Sugar flows west down Sugar Creek Valley, where in the Jacket community it is joined by Otter Creek, from Pea Ridge, Arkansas.