Picture of a tour group entering the North Portal of Yucca Mountain. This is also the place where excavation by a TBM began that dug the main tunnel.
Picture of the South Portal entrance to Yucca Mountain. The large device to the left is the TBM that excavated the main tunnel which is called the Exploratory Studies Facility. The tunnel is 5 miles long and is U-shaped. The waste repository will be 1000 feet below the surface of the mountain and 1000 feet above the water table.
Picture of the TBM that dug the 5 mile long U-shaped tunnel at Yucca Mountain. The device sits at its exit point from the mountain at the South Portal.