Upper Green River Rendezvous Site - Credit: Wikimedia Commons
The Upper Green River Rendezvous Site is a site on the Green River above and below Daniel, Wyoming, United States. On and near this location, roughly around the confluence of the river with Horse Creek, at least five of the 19th-century Rocky Mountain Rendezvous took place. A area was declared a National Historic Landmark in 1961. and Read more on Wikipedia
Source: en.wikipedia.org