It was thought to be mars's Olympus Mons that held title for the largest volcano in the solar system however new evidence points that it might actually be on earth. The volcano is called Tamu Massif and sits in the Pacific Ocean it is said to be a whopping 400 miles wide and the magma chamber extends over 1,200 miles into the earth!
Giant Olympus Mons is the tallest volcano on Mars and it is also the tallest mountain in the solar system. (you did not state active or non-active) (336 miles across and 10 miles higher than Mt. Everest)
Mars has a volcano called, "Olympus Mons".
Mars is the planet with the largest volcano - Olympus Mons - but the volcano is long extinct.
If you are talking about just the Solar planets, then Mars has the biggest volcano.
Olympus Mons, which has a peak of 69,649 feet, is the largest volcano in the solar system. It is on the planet Mars.
MArs
At 26 kilometers high, Olympus Mons on Mars is the largest volcano in the solar system. It's also the largest mountain in the solar system.
It is on Mars.
The largest shield volcano (and the second tallest mountain) in the solar system known to date, is Olympus Mons, which is on planet Mars.
Olympus Mons on the planet Mars is the largest known volcano in the Solar System.
Olympus Mons, which has a peak of 69,649 feet, is the largest volcano in the solar system. It is on the planet Mars.
MArs
The largest volcano and largest mountain in the Solar system is Olympus Mons on the planet Mars.
The largest known volcano in the solar system is Olympus Mons, which is on Mars.
At 26 kilometers high, Olympus Mons on Mars is the largest volcano in the solar system. It's also the largest mountain in the solar system.
It is on Mars.
The largest volcano in the solar system is Olympus Mons, which is located on Mars. The volcano Olympus Mons is nearly 75,000 feet tall.
On the planet Mars - Olympus Mons.
mars.
The largest shield volcano (and the second tallest mountain) in the solar system known to date, is Olympus Mons, which is on planet Mars.
That would be "Olympus Mons" on the planet Mars.