Piyamit Tunnel, betong, Sarawak Malaysia

At Ban Piyamit 1, Tambon Tano Mae Ro. Take the same route as the Hot Spring for four more kilometres. This area is the village of the Thai Development Participants and was once the base of Malaya Communist Division 2.

The tunnel was built in three months in 1976, winding through the mountain for about one kilometer, about 50-60 feet wide with multiple entrances. It was used as the air raid shelter and food storage area. At present there is an exhibition about its history including the way of life in the forest. It is open to the public from 8 a.m. to 4.30 p.m.