The Lower Chindwin is an area of around seven or eight explosion craters, located some 30 km (20 mi) northwest of the town of Monywa in the Sagaing Region, Burma (Myanmar).

In the Global Volcanism Program of the Smithsonian Institution[1] no information on Holocene eruptions, dating back 10,000 years, is listed.

The major rock types of the group are basalt, rhyolite, dacite and andesite.

In the lakes the cyanobacteria Spirulina (often called blue-green algae) grows.

At the end of 2014 it was reported that the Government of Myanmar planned to nominate Twin Taung Lake for inclusion on the list of UNESCO World Heritage Sites.