Fergusson Island, D'Entrecasteaux Islands,
Milne Bay Province, Papua New Guinea
Summit elevation 500 m
stratovolcano
Lamonai is one of three volcanic centres in the Dawson Strait Group.
It is located on the SE end of Fergusson island, inland from Sebutuia Bay.
The volcano consists of a composite cone with a summit crater.
The area shows strong thermal activity.
Fumarolic activity.