Airlangga museum is located near the Selomangleng cave. This museum has many kind of ancient collections, like artifact, ancient inscription, and Kediri ancient statues.

The name of Airlangga Museum Kediri is taken from the name of King Airlangga, who was born in Bali on 990 and allegedly died on Belahan, Penanggungan Mountain in 1049. Airlangga, meaning "The Jumping Water", was the founder of Kahuripan Kingdom who ruled from 1009 to 1042 and held the title of Abhiseka Sri Maharaja Rakai Halu Sri Dharmawangsa Airlangga Anantawikramottunggadew,