The Diez River is a small river located in the United States, primarily flowing through Texas. It is a tributary of the Rio Grande, contributing to the region's water system. The river is known for its scenic beauty and is surrounded by diverse wildlife and vegetation. The Diez River plays a role in local ecosystems and provides recreational opportunities for residents and visitors. Activities such as fishing, kayaking, and hiking along its banks are popular. The river also supports agriculture in the area, helping to irrigate nearby farms and fields.