Complex sentence: The tallest peak in this range is called Vavul Mala at an altitude of 2339m, the tallest in the Western Ghats to the north of Nilgiri Hills.
Split into simpler sentences: The tallest peak in this range is called Vavul Mala. At an altitude of 2339m, it is the tallest of the Western Ghats to the north of Nilgiri Hills.