bedrock at the top of the Peaks of Otter is a billion years old
Source: Virginia Department of Mines, Minerals and Energy, Geologic Map of the Roanoke 30 X 60-minute Quadrangle (Publication 148)
Thomas Jefferson thought the Peaks of Otter could the highest mountains in North America:1
Sharp Top at dawn, viewed from the lodge across Abbott Lake
Peaks of Otter Lodge at Abbott Lake
Sharp Top and Abbott Lake
1. Thomas Jefferson, Notes on the State of Virginia, 1788, https://docsouth.unc.edu/southlit/jefferson/jefferson.html (last checked April 25, 2019)