Double Negative is a piece of land art located in the Moapa Valley on Mormon Mesa (or Virgin River Mesa) near Overton, Nevada. Double Negative was completed in 1969 by the artist Michael Heizer.
The work consists of a long trench in the earth, 30 feet (9 m) wide, 50 feet (15 m) deep, and 1500 feet (457 m) long, created by the displacement of 240,000 tons of rock, mostly rhyolite and sandstone. Two trenches straddle either side of a natural canyon (into which the excavated material was dumped). The "negative" in the title thus refers in part to both the natural and man-made negative space that constitutes the work. The work essentially consists of what is not there, what has been displaced.
The work is currently owned by The Museum of Contemporary Art, Los Angeles (MOCA) and is accessible by four-wheel drive vehicle or motorcycle.
From Overton, NV follow follow Mormon Mesa Road to the top of the mesa eastward. As you come to the top of the mesa, you will pass a cattle guard. Continue east across the mesa for 2.7 miles. Do NOT leave the mesa. Just before you come to a second cattle guard at the east edge of the mesa, there will be a less-traveled road/path that extends along the rim of the mesa. Turn left onto this rim trail and follow it north 1.3 miles.