The Pecos River is a major river in the southwestern United States, flowing through the states of New Mexico and Texas. It originates in the Sangre de Cristo Mountains and travels approximately 926 miles before joining the Rio Grande. The river is known for its scenic beauty and diverse ecosystems, supporting various wildlife and plant species. Historically, the Pecos River was significant for Native American tribes and later for Spanish explorers and settlers. Today, it serves as a vital water source for agriculture and communities in the region. The river also offers recreational opportunities, including fishing, kayaking, and hiking along its banks.