The Apollo Lunar Roving Vehicle covered 59 miles across the Moon's surface

The Lunar Roving Vehicle (LRV), a battery-powered jeep built by Boeing, traveled a total of 59.1 miles across the Moon during the Apollo 15, 16, and 17 missions between 1971 and 1972. That distance was split across three separate vehicles, each one left behind on the lunar surface. The farthest single drive from a landing site was 22.2 miles during Apollo 17, when astronauts drove south of the Taurus Littrow valley to collect samples near the lunar mountains.

The LRV was not a casual addition to the mission. NASA engineers designed it specifically because walking in a spacesuit across the Moon's rocky terrain was exhausting and slow. Without the rover, astronauts could explore only a few miles on foot. With it, they could cover ground fast enough to reach interesting geological sites, collect more samples, and return to the lunar module before their oxygen ran low.

Key Takeaways

  • Three Lunar Roving Vehicles were driven on the Moon during Apollo 15, 16, and 17, covering 59.1 miles total across three separate missions.
  • The longest single drive was 22.2 miles during Apollo 17, when astronauts traveled to the Taurus Littrow mountains to collect rock samples.
  • The LRV was powered by silver-zinc batteries and could reach speeds of 11 miles per hour on the Moon's surface.
  • Each rover was left behind on the Moon and is still there today, along with the tire tracks and equipment the astronauts abandoned.

Why the Moon needed a vehicle at all

Walking on the Moon in a spacesuit is nothing like walking on Earth. The suit weighs about 280 pounds on Earth, but only 47 pounds on the Moon because gravity is one-sixth as strong. That sounds easier, but the suit is stiff, the ground is uneven, and astronauts tire quickly. During Apollo 14 in 1971, astronauts Alan Shepard and Edgar Mitchell walked less than a mile from their landing site and came back exhausted.

NASA realized that if astronauts were going to do real geology—not just grab rocks near the landing site—they needed wheels. The LRV let them drive 5 to 10 miles away from the lunar module, spend hours collecting samples at multiple locations, and still have time to return safely. Without it, the Moon exploration program would have been confined to a small circle around each landing site.

How the Lunar Roving Vehicle actually worked

The LRV was a four-wheel-drive vehicle about 10 feet long and 6 feet wide, weighing 460 pounds on Earth (77 pounds on the Moon). It had no cabin or pressurization—the astronauts sat in open seats and drove in their spacesuits. Two silver-zinc batteries powered electric motors on each wheel, giving the rover independent drive on all four wheels. This design meant that if one motor failed, the other three could still move the vehicle.

Top speed was 11 miles per hour, though astronauts rarely pushed it that fast on rough terrain. The rover had a steering wheel, hand controls for speed, and a straightforward suspension system with a metal mesh floor. It could carry two astronauts, their tools, sample collection bags, and a camera mounted on the front. The batteries were good for about 65 miles of driving before they ran out of charge, which gave the mission planners a safety margin for each drive.

Navigation was done by eye and by a straightforward odometer and compass. There was no GPS on the Moon—the astronauts had to recognize landmarks and keep track of where they were. On Apollo 17, astronauts got temporarily lost near the mountains and had to backtrack when they realized they had driven farther than planned.

The three rovers and their routes

Apollo 15 (July 1971) was the first mission to use the LRV. Astronauts David Scott and James Irwin drove 17.3 miles total across four separate drives. They explored the Hadley-Apennine region, drove to the edge of Hadley Rille (a deep canyon), and collected samples from the lunar mountains. One of their drives took them 4.7 miles from the landing site—a distance that would have been impossible on foot.

Apollo 16 (April 1972) sent astronauts John Young and Charles Duke to the Descartes Highlands. They drove 16.9 miles total and explored a region that scientists thought might have volcanic origins. The terrain was rougher than at Apollo 15, and the rover performed well on steep slopes and rocky ground.

Apollo 17 (December 1972) was the final Moon landing and the most ambitious rover mission. Astronauts Eugene Cernan and Harrison Schmitt drove 22.2 miles total, including their longest single drive of 7.6 miles to the south. They explored the Taurus Littrow valley, drove to the base of mountains, and collected samples from different geological layers. This was the last time humans drove on the Moon.

What happened to the rovers after the astronauts left

All three Lunar Roving Vehicles are still on the Moon, parked where the astronauts left them. The batteries are dead, the tires are flat, and the vehicles have been exposed to the Moon's extreme environment for over 50 years. The lunar surface experiences temperatures ranging from 250 degrees Fahrenheit in sunlight to minus 280 degrees Fahrenheit in darkness. The rovers have no protection from radiation or micrometeorites.

Despite the harsh conditions, the rovers have held up remarkably well. Satellite images from the Lunar Reconnaissance Orbiter, which has been photographing the Moon since 2009, show all three rovers still in place. The tire tracks made by the astronauts are also visible in some images, preserved in the lunar dust because there is no wind or water to erase them. The rovers have become historical artifacts, left behind as evidence of human exploration.

How lunar driving compares to Earth driving

Driving on the Moon is fundamentally different from driving on Earth, even though the LRV looks like a small jeep. The lack of atmosphere means there is no air resistance and no sound—the astronauts heard only the hum of the electric motors and the crackle of their radio communications. The low gravity made the rover handle differently; it was easier to accelerate but harder to stop because the wheels had less traction.

The terrain was also unpredictable. The lunar surface is covered in a fine dust called regolith, which can be slippery. Rocks and small craters are scattered everywhere. Astronauts had to navigate by sight, watching for hazards and trying to remember landmarks. On Earth, a 22-mile drive might take 30 minutes on a highway. On the Moon, the same distance took hours because of the rough terrain and the need to stop frequently to collect samples and take photographs.

Why the Moon rovers matter to space exploration today

The Lunar Roving Vehicle proved that wheeled vehicles could work on other worlds. Every rover sent to Mars since then—from Sojourner to Curiosity to Perseverance—owes something to the design and lessons learned from the LRV. Engineers studied how the Moon rovers performed on rough terrain, how batteries held up in extreme temperatures, and how to keep wheels from getting stuck in dust. That knowledge has been applied to every robotic explorer sent to other planets.

The rovers also showed that human astronauts could do real science on the Moon, not just plant flags and take pictures. The samples collected during the Apollo rover missions—over 800 pounds of Moon rocks—are still being studied by scientists today. Those rocks have taught us about the Moon's geology, its age, and how it formed. Without the rovers, we would have far less understanding of our nearest neighbor in space.

Frequently Asked Questions

Could the Moon rovers be driven again if someone went back?

Probably not. The batteries are dead, the tires have been exposed to radiation and extreme temperatures for decades, and the electronics have likely degraded. A new mission would bring its own rovers rather than attempt to restore the old ones. However, the Apollo rovers remain valuable as historical sites and could be visited and photographed by future lunar explorers.

How fast did astronauts actually drive on the Moon?

The rovers had a top speed of 11 miles per hour, but astronauts rarely drove that fast. On rough terrain with rocks and craters, they typically drove between 5 and 8 miles per hour. They also stopped frequently to collect samples, take photographs, and check equipment, so the average speed over a full drive was much slower.

Did the rovers ever get stuck or break down?

The rovers performed remarkably well, but there were close calls. On Apollo 16, the right-front fender was damaged, which allowed dust to spray onto the astronauts and equipment. On Apollo 17, astronauts got temporarily lost while driving to the mountains and had to backtrack. Despite these issues, all three rovers completed their missions successfully.

Are the tire tracks from the Moon rovers still visible?

Yes. Satellite images from the Lunar Reconnaissance Orbiter show the tire tracks and footprints left by astronauts at all three Apollo landing sites. Because the Moon has no atmosphere or weather, the tracks have been preserved in the lunar dust for over 50 years. They serve as evidence of human exploration and are protected as historical sites.

How much did it cost to build the Lunar Roving Vehicles?

The total cost to design and build the three rovers was approximately $38 million in 1970s dollars. That works out to roughly $190 million per rover in today's money. The investment paid off by allowing astronauts to explore much larger areas and collect far more scientific samples than would have been possible on foot.