Geological Chronicle
Bohnenberger is a lunar impact crater that lies near the east edge of the Mare Nectaris, in the foothills of the Montes Pyrenaeus mountain range that forms the perimeter of the mare. The formation spans an official diameter of 31.74 kilometers.
To the east beyond the mountains is the larger crater Colombo. It is recorded in the IAU Gazetteer under quadrangle LAC-97.