Mount Tampomas is a small andesitic stratovolcano

Stratovolcano

A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

 in West Java

West Java

West Java , with a population of over 43 million, is the most populous and most densely populated province of Indonesia. Located on the island of Java, it is slightly smaller in area than densely populated Taiwan, but with nearly double the population...

, Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

. A young lava flows are found on the eastern flank of the volcano.

The mountain was used as a source of construction rock to build the nearby Mrica Hydroelectric Dam project.
Tampomas means "without gold: in Bahasa Indonesia. The mountain is locally known as Agro Gusti Kencanawati and a lady spirit resides there. The legend says that a royal couple once had an argument and their spirits lay in the two rock outcrops side by side for eternity. The nearby mountain is where the male spirit is supposed to reside.