Zion Park Landslide: A Prehistoric Event That Shaped Modern Landscapes

zion park landslide

The Zion Park landslide, known as the Sentinel rock avalanche, occurred approximately 4,800 years ago. This massive prehistoric event dramatically altered Zion National Park’s landscape, creating the flat canyon floor visitors enjoy today. The landslide dammed the Virgin River, forming a lake that lasted 700 years before filling with sediment. While not a recent occurrence, … Read more