The crossword solution for the term Arkansas is 'River' with five letters. Arkansas is a state located in the south-central region of the United States. It is bordered by six states, including Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, Texas to the southwest, and Oklahoma to the west. The state is home to many rivers, including the Arkansas River, which is the second-longest tributary in the Mississippi–Missouri system. The Arkansas River runs through the state from west to east, and is a major source of recreation and transportation.