The Tembeling River is a river located in the Pahang state of Malaysia. It flows through the lush rainforests of the Taman Negara National Park, providing a vital water source for the surrounding ecosystem. The river is known for its clear waters and scenic beauty, attracting visitors for activities like swimming and kayaking. The Tembeling River is also significant for its biodiversity, supporting various species of fish and other aquatic life. It serves as a habitat for wildlife and is an important part of the local environment, contributing to the ecological balance in the region.