Arzachel is remarkably clear in its structure and a favorite telescope viewing subject for advanced amateur astronomers.

The rugged central peak of Arzachel is prominent, rising 1.5 kilometers above the floor, and is somewhat offset to the west with a bowed curve from south to north-northeast.

A small crater lies prominently in the floor to the east of the central peak, with a pair of smaller craterlets located nearby.

[3] Earlier lunar cartographers had given the feature different names: Michael van Langren's 1645 map calls it "Annae, Reg.

[5] By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Arzachel.