The J Wall is a multi-use recreational area located in the Las Vegas Wash watershed of Nevada. The area is popular for outdoor activities such as hiking, biking, and bird watching. The J Wall trailhead is the starting point for several trails that vary in difficulty and length, making it a great destination for both experienced hikers and beginners. Visitors can enjoy stunning views of the surrounding desert landscape, including unique geological formations and native plant and animal species.

In addition to hiking and biking, the J Wall offers opportunities for fishing and kayaking in the nearby Lake Las Vegas. The area is also known for its abundance of bird species, including the rare and elusive Black-crowned Night Heron. The J Wall hosts several educational and conservation events throughout the year, including nature walks, birding tours, and clean-up initiatives. Overall, the J Wall is a must-visit destination for nature enthusiasts and outdoor adventurers looking to experience the natural beauty of the Las Vegas Wash watershed.