Location: Delta CountySize: 80 acresDesignated: October 1992Land
Manager: Bureau of Land Management Needle Rock towers 800 feet
above the floor of the Smith Fork of the Gunnison River valley.
It originated as the throat of a large volcano about 28 million
years ago (Miocene epoch) when molten rock intruded between
existing sedimentary formations. As the surrounding country
rocks eroded over millions of years, the resistant igneous core
was exposed. Colorado State Parks & Natural Areas by Frank
WestonPublished September 1, 2008Click here to purchase.