Mount Lamongan or Mount Lemongan is a small stratovolcano located between the massif Tengger caldera complex and Iyang-Argapura volcano complex in East Java, Indonesia.

The volcano is surrounded by maars and cinder cones.

The volcano's high point is locally named as Gunung Tarub.

[1] The Green Army organization, led by Aak Abdullah al-Kudus, has been working to reforest the mountain.

This East Java location article is a stub.