Natchez Trace Parkway Land Conveyance Act of 2010 - Requires the Secretary of the Interior to convey to the state of Mississippi by quitclaim deed all interest of the United States in two parcels of land in the city of Natchez, Mississippi, that consist of a total of approximately 67 acres, and are identified on the map entitled "Natchez Trace Parkway, Proposed Boundary Change."
Adjusts the boundary of the Parkway to exclude the conveyed land and provides for inclusion in the Parkway of the approximately ten acres identified as the proposed addition on the map.