HISTORIC PLACES GUIDE

National Register of Historic Places

Obsidian Cliff

Obsidian Cliff is a historic place in Mammoth, Park County, Wyoming, listed on the United States National Register of Historic Places on June 19, 1996, and designated a National Historic Landmark. Its National Register reference number is 96000973.

Mammoth, Park County, WyomingListed June 19, 1996NRIS #96000973★ National Historic Landmark
Photograph of Obsidian Cliff
Photo: Obsidian Cliff via Wikimedia Commons — see the file page for author and license. Image source
Noir atlas

Location 01

Obsidian Cliff

Drag to explore · scroll to zoom · select a marker

About this place

What is Obsidian Cliff?

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.

Source: Wikipedia, text available under CC BY-SA 4.0.

The record

Listing details

Name
Obsidian Cliff
City
Mammoth
County
Park County
State
Wyoming
Listed on the National Register
June 19, 1996
NRIS reference number
96000973
Resource type
site
National Historic Landmark
Yes
Coordinates
44.81133, -110.70233
When was Obsidian Cliff listed on the National Register?

Obsidian Cliff was added to the National Register of Historic Places on June 19, 1996.

Where is Obsidian Cliff located?

Obsidian Cliff is located in Mammoth, Park County, Wyoming at approximately 44.81133, -110.70233. See the map above.

Is Obsidian Cliff a National Historic Landmark?

Yes. Obsidian Cliff is designated a National Historic Landmark, the highest federal recognition for a historic place.

Nearby on the register

More historic places in Wyoming