Piccard Mons is a large, roughly circular mountain and likely cryovolcano on the dwarf planet Pluto.
On 30 May 2019, Piccard Mons was approved as the official name of the feature by the International Astronomical Union (IAU).
[4][5] Piccard Mons is believed to be the tallest cryovolcano on Pluto with an estimated height of 7 km (4.2 mi)[6] By the time the New Horizons spacecraft was conducting its highest-resolution observations, the mountain was in darkness, having rotated past Pluto's terminator.
Although some images were able to be taken past the line of darkness using sunlight reflected by Pluto's atmospheric haze layers, much less can be told about it than neighboring sunlit regions.
Piccard Mons is not made of rock like many other volcanoes in the Solar System, but a combination of ammonia, methane, carbon monoxide, ice, and nitrogen, all in solid form.