Snow cornice Snow cornice A snow cornice or simply cornice (from the Italian cornice meaning "ledge") is an overhanging edge of snow on a ridge or the crest of a mountain and along the sides of gullies. They form by wind blowing snow over sharp terrain breaks (e.g. the crest of the mountain) where it attaches and builds out horizontally. This build-up is most common on the steeper and leeward sides of mountains. Cornices are extremely dangerous and travelling above or below them should be avoided. When a cornice "collapses", it breaks in from the cornice to the top of the peak;
Walden Ridge War Soldiers) as a signal point toward Lookout Mountain south across the Tennessee River. Being part of the Cumberland Plateau, Walden Ridge is also part of the Appalachian Plateau physiographic province. According to the USGS, variant names of Walden Ridge include Waldens Ridge, Walldenns Ridge, Wallens Ridge, Walden's Ridge, and Walden Ridge Plateau. Walden Ridge Walden Ridge (or Walden's Ridge) is a mountain ridge and escarpment located in Tennessee, in the United States. It marks the eastern edge of the Cumberland Plateau and is generally considered part of it. Walden Ridge is about long, running generally north-south. Its highest point