The Tri Territory Site is located in the Great Divide closed basin watershed of Wyoming and is an archaeological site that was occupied by Native American people from around 12,000 years ago. The site is situated in a valley that was once a lake, and it was discovered in the 1980s by archaeologists who were studying the area. The site contains artifacts such as stone tools and bones from animals that were hunted by the people who lived there. The area is also known for its unique geology and has been the subject of scientific research for many years.

The Tri Territory Site is a unique destination for those interested in history and archaeology. Visitors can explore the site and learn about the people who lived there thousands of years ago. In addition, the area is home to a variety of wildlife, including bighorn sheep, elk, and pronghorn antelope, making it a great place for nature lovers. The geology of the area is also fascinating, with colorful rock formations and unique land features. Overall, the Tri Territory Site is a must-see destination for anyone interested in history, archaeology, wildlife, and geology.