Renpet Mons is a large shield volcano, located on the eastern portion of a ridge-belt province on Venus. It has a diameter of 300 km and is the source for massive lava flows overyling the Snegurochka Planitia plain. (wikipedia entry)
A mons is a mountain. On Venus they are named after goddesses, miscellaneous (also one physicist).
Image Source. Marker locations are approximate and may not always appear to align with image on map.