Lost Creek is a popular backpacking site located in the Olympic National Forest in Washington. The site offers breathtaking views of the surrounding mountains and valleys, including the nearby Mount Jupiter. The area is also home to numerous hiking trails, including the Quilcene Trail and the Royal Basin Trail. The campground features amenities such as picnic tables, fire pits, and vault toilets. It is a first-come, first-served site with 16 campsites available. The best time to visit is during the summer months of June through September when the average temperatures range from 59-75 degrees Fahrenheit. Overall, Lost Creek is an ideal destination for outdoor enthusiasts looking to explore the beauty of the Olympic National Forest.