For further information of the observation see: Langner, Christian Georg 2017. Hidden in the Heart of Borneo-shedding light on Some Mysteries of an Enigmatic Lizard: First Records of Habitat Use, Behavior, and Food Items of Lanthanotus borneensis Steindachner, 1878 in Its Natural Habitat. Russ. J. Herpetol. 24 (1): 1-10
The location is approximate. We left the Canopy Lodge and went up the river valley to an open area. The snake was crossing the road in front of our vehicle. It was about 15 to 20 inches long.