Kaze Samuel, a 35-year-old security guard, who was the oldest participant, won the male category held on Saturday in Jos as part of the ongoing Jos carnival.
Plateau State commissioner for culture and tourism, Peter Mwankon, said mountaineering was featuring as competition for the first time in any carnival in Nigeria.
He implored people of the state to guard their heritage.
John Kaze, a leader in the community that hosts the Shere Mountains, lauded the government for initiating the carnival.
Shere Hills, located in Jos east local government, is about 1000 feet above sea level and has served as training ground for military and paramilitary agencies over the years.
The mountaineering competition recorded five casualties out of the 48 persons that registered.
Two had bruises while three had cases of respiratory distress but were quickly resuscitated.