The term 'Capital Arkansas' refers to the capital city of Arkansas, Little Rock, and two of its most prominent geographical features. The Ozark is a mountain range in the U.S. states of Arkansas, Missouri, Oklahoma, and Kansas. It is one of the largest mountain ranges in the United States and is known for its rugged terrain and beautiful scenery. The River is the Arkansas River, which is the second longest tributary of the Mississippi River. It runs through six states, including Arkansas, and is an important source of water for the region.