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;
Nescopeck Mountain glaciers pressed against Nescopeck Mountain and eventually moved over it, carrying gravel from the Susquehanna River. The ridge was near the southern edge of the most recent period of glaciation. Nescopeck Mountain was entered into the Geographic Names Information System on August 2, 1979. Its identifier in the Geographic Names Information System is 1190986. The ridge is also known as Nescopec Mountain. This variant name appears in Israel C. White's 1883 book "The geology of the North Branch Susquehanna River Region in the six counties of Wyoming, Lackawanna, Luzerne, Columbia, Montour and Northumberland". Nescopeck Mountain is most likely named for