Nesting activity of a depleted population of the eastern Malay Peninsula river terrapin, Batagur affinis edwardmolli, in the Setiu River, Terengganu, Malaysia, is documented for the first time over a 6-year period (2004–2009). The number of clutches deposited per year ranged from 17 to 30 with annual average clutch sizes ranging from 23 to 30 eggs per clutch. The nesting season is brief, beginning at the end of January and continuing through March.