Along the eastern border with Mozambique is the Lubombo, a mountain ridge, at an altitude of around . The mountains are broken by the canyons of three rivers, the Ngwavuma, the Usutu and the Mbuluzi River. This is cattle ranching country. The western border of Eswatini, with an average altitude of , lies on the edge of an escarpment. Between the mountains, rivers rush through deep gorges. Mbabane, the capital, is on the Highveld.