The Wash 18 is a popular spot for outdoor recreation in the Salton Sea watershed of California. The area is known for its diverse flora and fauna, including migratory birds such as sandhill cranes, white-faced ibis, and American avocets. Visitors can explore the various trails and enjoy activities such as hiking, birdwatching, and photography. The wash 18 is also a popular spot for fishing, with species such as tilapia and desert pupfish found in the nearby waters.

In addition to its natural beauty, the Wash 18 is also a site of historical significance. The area was once home to the Cahuilla Native American tribe, and visitors can still see remnants of their settlements and rock art. The nearby Dos Palmas Preserve, part of the Coachella Valley Preserve System, is also a popular attraction, with its unique palm oasis and trails for hiking and horseback riding. Overall, the Wash 18 offers a unique combination of natural beauty, outdoor recreation, and cultural history, making it a must-visit destination for anyone in the Salton Sea area.