Susunia is a hill of southern West Bengal, India. It is known for its holy spring, flora and the rock faces on which many mountaineers of the region started their journey.
Susunia Hill is a known archeological and fossil site. Fossil remains of Asiatic lion, giraffe, hyena and other animal species have been discovered from areas around. The so claimed 'oldest' rock inscription of West Bengal is located here. There is an ancient carved monolith (Narasingha stone) standing at the point where the spring water is coming out of another stone gargoyle or curved projected spout. It is also used as a location for camping and rock-climbing. Susunia village itself is home to stone-carving craftsmen.
Susunia is an important archaeological site in Bankura district yielding stone age tools. It is believed that there earlier was a fort built by King Chandravarman. Some 4th century inscriptions are there, referring to a place called Pushkarana, once the capital of Chandravarman. Modern-day Pakhanna is considered to be ancient Pushkarana.
Susunia is a rock climbing centre. It is 10 km North-East of Chhatna.