This scarp is the main boundary of the Imbrium Basin, which is centered approximately 650 kilometers to the northwest. I'm sure it's much farther than that. We can see Bennett Hill. The landing site selected for Apollo 15 was on the eastern edge of Mare Imbrium, with the objectives of sampling material from the rim of the Imbrium basin and of studying the volcanic processes that produced Hadley Rille. To the east of Hadley Delta are the lunar Montes Apennines, an arc of rugged massifs that forms the rim of the Imbrium impact basin.
North is up.
This stereo pair has a vertical exaggeration of about 3. Topographic relief of the mountains in this scene is about 4450 meters, similar to that of the highest peaks of the Sierra Nevada mountains in California.