Mount Elephant is a 240 m high conical breached scoria cone formed by an Extinct volcano, located 1 km from the town of Derrinallum in southwestern Victoria, Australia. It is a prominent landmark.
The volcano is thought to have last erupted between 5,000 and 20,000 years ago. During early European settlement, the mountain was known as Swagmans Lighthouse. The mountain was privately owned until 2000, when it was purchased by Trust for Nature and the local community. The aim is to revegetate the area and promote local tourism.
Mount Elephant forms the eastern gateway to the Kanawinka Geopark from the Hamilton Highway at Derrinallum.