Gua Kelam, Kaki Bukit refers to the 370-metre long limestone cave at the small town of Kaki Bukit. Its name literally means "at a foothill (Kaki Bukit) lies
a dark cave (Gua Kelam)". Access to the cave is by way of a suspension bridge. The uniqueness of approach, as well as the experience of walking along the bridge,
make a visit to this place an intriguing and adventurous experience.
A subterranean stream flows in the limestone range near Kaki Bukit
for about a quarter of a mile long. As in other limestone areas, the
stream has built a long cavern over the centuries. This physiographic
phenomenon was enlarged throughout the length of the underground stream
in 1935 by a resident Englishman who saw it as a marvellous way of
transporting tin ore from a mine located near the stream entrance
through the underground cavern.
A wooden walkway hangs suspended throughout the length of the underground cavern providing a wondrous means of communication from Kaki Bukit to a valley on the
opposite end - the Wan Tangga Valley.