Shadow Mountain Trail is a trail 4.8 miles (7.7 km) long on the east side of Shadow Mountain Lake, near Grand Lake, Colorado. It is also known as, or is associated with, Echo Mountain Trail, Lookout Mountain Trail and Pine Ridge Trail. The trail was rebuilt in 1930 by the National Park Service; trail design reflects NPS Naturalistic Design of the 1920s to 1940s. It was listed on the National Register of Historic Places in 2008. The listing included 8 acres (3.2 ha) with one contributing structure.