Zuma Rock is a single piece of igneous rock — gabbro and granodiorite, pushed up from below the surrounding plain in the Precambrian — that rises 725 metres almost vertically out of the savannah. It is roughly oval in plan, around three kilometres in circumference at the base, and visible for tens of kilometres in every direction. Drivers heading north on the Abuja–Kaduna expressway round a bend and the whole thing looms above the trees with no warning.
The southern face carries a natural pattern of dark stains and erosion that resembles a human face — eyes, nose, an open mouth. The Gbagyi call it the guardian of the rock; modern tourist material calls it "the face of God." Whichever you prefer, it is more visible in the dry season when the surrounding vegetation thins. The rock features on the back of Nigeria's hundred-naira note and is one of the country's most reproduced natural symbols.
Casual visits stop at the base — there are stalls selling drinks and souvenirs, and the views back across the plain to Abuja are excellent at sunset. A full ascent requires technical climbing equipment, local permits, and a guide; the upper rock is considered spiritually significant and is not open to unsupervised visitors.