The area abounds with numerous rare plants, the most notable being the Rafflesia tuanmudae which is reputed to be the world's largest The rafflesia measures almost a metre in width, when in full bloom! There is no specific flowering season and once in bloom it only lasts a few days.
The Gunung Gading National Park is located in the Lundu area, 1½-hour drive northeast of Kuching. It features a complex of mountains rising into several peaks, the highest being Gunung Gading, (906 metres) from which the park derived its name. Numerous magnificent waterfalls tumble down in series in the upper reaches of the Lundu River creating an idyllic jungle setting.