|Nearest city||Guernsey, Wyoming|
|NRHP Reference #||70000674|
|Added to NRHP||April 30, 1970|
Register Cliff is a sandstone cliff and featured key navigational landmark prominently listed in the 19th century guidebooks about the Oregon Trail, and a place where many emigrants chiseled the names of their families on the soft stones of the cliff — it was one of the key checkpoint landmarks for parties heading west along the Platte River valley west of Fort John, Wyoming which allowed travelers to verify they were on the correct path up to South Pass and not moving into impassable mountain terrains—geographically, it is on the eastern ascent of the Continental divide leading upward out of the great plains in the east of the U.S. state of Wyoming. It is notable as a historic landmark for 'registering' hundreds of emigrants on the Oregon Trail (thus also the other northern Emigrant Trails that split off farther west such as the California Trail and Mormon Trail) who came to follow custom and inscribed their names on its rocks during the western migrations of the 19th century. An estimated 500,000 emigrants used these trails from 1843–1869, with up to one-tenth dying along the way, usually due to disease.
According to its nomination, the site was where emigrants would camp on their first night west of Fort Laramie. The property was donated by Henry Frederick to the state of Wyoming, to be preserved.
- National Park Service (2008-04-15). "National Register Information System". National Register of Historic Places. National Park Service.
- Bill Barnhardt (December 19, 1969). "National Register of Historic Places Inventory/Nomination: Register Cliff" (PDF). National Park Service. Retrieved 2016-06-24. with photos
|Wikimedia Commons has media related to Register Cliff.|
- Register Cliff page, Wyoming Department of State Parks and Cultural Resources
- Register Cliff info from the Wyoming State Historic Preservation Office
- List of names on Register Cliff, Wyoming State Library
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