The mesa is variable in width but generally from 20 to 25 mi wide. The mesa extends northwest to southeast with the east merging into the
Eleana Range at the center-north of the
Nevada Test Site. The mesa forms the southwest border of the Nellis Air Force Range, at the northeast of Sarcobatus Flat; the Nellis Range border then turns north to end adjacent Tonopah, Nevada, about distant.
Peaks, and highpoint The highest peak in the northwest end of the mesa is
Tolicha Peak, . Quartz Mountain, , is adjacent east. Other peaks occur in the southeast where the mesa merges into the northwest of the Eleana Range. ==Access==