Young Asian Girl Reveals At The Rocks Of The Mountain Stream With A Cyan Negligee And White Stockings

• Tributary
A contributory stream, or a stream which does not reach the sea but joins another river (a parent river). Sometimes also called a branch or fork.
• Brook
A stream smaller than a creek, especially one that is fed by a spring or seep. It is usually small and easily forded. A brook is characterized by its shallowness and its bed being composed primarily of rocks.