The chief mountain range lies north of the Zambezi, and east of Lake Chilwa, namely, the Namuli Mountains, in which Namuli Peak rises to , and Molisani, Mruli and Mresi attain altitudes of These mountains are covered with magnificent forests. Farther north the river basins are divided by well-marked ranges with heights of and over. Near the south-east shore of Lake Malawi there is a high range () with an abrupt descent to the lake – some in . The country between Malawi and Ibo is remarkable for the number of fantastically-shaped granite peaks, or inselbergs, which rise from the plateau.