English: (noun) Mount Tra'an
Bahasa Malaysia: Gunung Tra'an
Source: Jecky Misieng
bung: at the the top or peak
Bung Biratak: Mount Bratak - It was once a large Bidayuh hill settlement of seven longhouses before the inhabitants were brave enough to venture to other places in Bau. The Bidayuhs of Bau revered this place as a point of their origin. On May 1st every year, Bidayuh people and their friends come from all over to pay homage to this place. It usually takes about half an hour to reach the top from the roadside parking area.
Bung Jagoi: Mount Jagoi - One of the early Bidayuh settlements was located here.
Bung Muan: Mount Muan - It is located in the Peninjau highland areas. It is the location of the Rajah James Brooke's mountain retreat and there is a Rajah Brooke Heritage place situated not far from there. This hilly area is also well-known because of the Wallace Trail which is reported to be the same way the Borneo adventurer, Alfred Russel Wallace, took to study the flora and fauna in the area.
bungan: a roof top
sibungas: the first time
sinbunggas: beginning