Nellis Dunes National Off-Highway Vehicle Recreation Area Act of 2009 - Directs the Secretary of the Interior to convey specified land to Clark County, Nevada, for use for: (1) a centralized off road vehicle recreation park; and (2) a designated area and facilities to discourage unauthorized use of off-highway vehicles in environmentally sensitive areas. Provides for the reservation of specified airspace easements above the surface of the land conveyed to the county.
Designates the Nellis Dunes as the Nellis Dunes National Off-Highway Vehicle Recreation Area.
Transfers administrative jurisdiction over certain land from the Bureau of Land Management to the Department of the Air Force for the enlargement and protection of Nellis Air Force Base.