The term 'BIG BEND (TEXAS)' refers to a region in the western part of Texas, located along the Rio Grande river. It is known for its rugged terrain and diverse wildlife. The term 'BIG BEND' is derived from the large BEND in the river that forms the boundary between Texas and Mexico. The region is home to BIG BEND National Park, which offers visitors a variety of activities such as hiking, camping, and bird watching.