The Propane Tank Boulder is a unique geological formation in the Las Vegas Wash watershed of Nevada. The boulder is named for its resemblance to a propane tank and is made of sandstone. It is located in the Rainbow Gardens area of the Las Vegas Wash and is a popular destination for hikers and rock climbers. The boulder is 30 feet tall and 50 feet wide, making it an impressive sight to see. Visitors can climb to the top of the boulder for a stunning view of the surrounding area.

There are many good reasons to visit the Propane Tank Boulder. For hikers and rock climbers, it offers a challenging and rewarding climb. The area around the boulder is also home to a variety of wildlife, including desert tortoises, bighorn sheep, and coyotes. The Rainbow Gardens area is also a great spot for bird watching, with over 300 species of birds found in the area. The unique shape of the Propane Tank Boulder also makes it a popular destination for photographers and nature enthusiasts. Overall, the Propane Tank Boulder is a must-see destination in the Las Vegas area for anyone interested in nature, hiking, or rock climbing.