Gua Kelam is a limestone cave located in Perlis, Malaysia. It is known for its unique rock formations and a river that flows through it. The cave is approximately 370 meters long and features a wooden walkway, making it accessible for visitors. The cave is also home to various species of bats and other wildlife. It is a popular destination for tourists and nature enthusiasts, offering opportunities for exploration and photography. Nearby, visitors can find picnic areas and facilities to enhance their experience in this natural wonder.