Complex sentence: Perhaps the most well known fire of the season was the Great Divide Fire Complex in north-eastern Victoria, Alpine and Gippsland which was ignited in several locations by multiple lightning strikes and burnt 1.12 million hectares of land over the course of 2 months.
Split into simpler sentences: Perhaps the most well known fire of the season was the Great Divide Fire Complex that burnt in north-eastern Victoria, the Victorian Alps and Gippsland. This fire was ignited in several locations by multiple lightning strikes and burnt 1.12 million hectares of land over the course of 2 months.