Barney lies on the east side of the ancient Lennon-Picasso Basin. About 137 km to the northeast of Barney is the highest point on Mercury (over 4 km above the global average), the highest part of scarps that are remnants of the rim of the Lennon-Picasso Basin.
References
^"Barney". Gazetteer of Planetary Nomenclature. NASA. Retrieved 3 February 2020.