Obsidian Cliff
Historical SiteBeen to Obsidian Cliff, or dreaming of it?
Join BucketList to rate it, put it on your bucket list, and see where your friends have been. It's free.
22,000+ places in 198 countries to rate and rank
Been to Obsidian Cliff, or dreaming of it?
Join BucketList to rate it, put it on your bucket list, and see where your friends have been. It's free.
22,000+ places in 198 countries to rate and rank

Photo: USGS · Public domain · Wikimedia Commons
Archaeological site
Obsidian Cliff, also known as 48YE433, was an important source of lithic materials for prehistoric peoples in Yellowstone National Park near Mammoth Hot Springs, Wyoming, United States. The cliff was named by Philetus Norris, the second park superintendent in 1878. It was declared a National Historic Landmark in 1996.