Geology
The geological history of the mountain began in the late Triassic period about 215 million years ago. Violent explosions emanated from a volcanic structure referred to as the Mungore Centre. Two large bodies of magma rose close to the surface where Mount Malarga and Mount Walsh are presently situated. Erosion has left the cliffs, buffs, gorges rocky pavements and tors seen today.
Read more about this topic: Mount Walsh National Park