[Verto-panorama of 10 images] With an estimated age of 800 to 1,000 years, the Sepilok Giant, in Rainforest Discovery Center (RDC) of Sepilok, Sandakan, is the oldest tree of Sabah, well, unofficially. Sepilok Giant is from the Dipterocarpaceae tree family. It is locally known as seraya runcing (Shorea acutissima) and traded under the name yellow seraya. Sepilok Giant is 65 Meters in height, as tall as a 19-floor building!