White Sands National Park Contains World's Largest Gypsum Dune Field
John discusses the unique geological features of White Sands National Park, noting it is the largest gypsum dune field in the world at 176,000 acres and is 98% pure gypsum.
The tape
2 quotes
“Fun fact number one is that white sands is the largest gypsum dune field in the world. and it isn't even close.”
John
“The sand here at White Sands is 98% pure gypsum.”
John
Heard on Exploring the National Parks — “156: 5 Fascinating Fun Facts About White Sands National Park”, published Wednesday, October 28, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.