Ngerderar Watershed Conservation Area lies in Aimeliik State on Babeldaob, Palau’s largest island. It belongs to the country’s Protected Areas Network, a national system through which states safeguard places important for biodiversity, water, culture and community resilience. Unlike Palau’s famous marine attractions, Ngerderar is an inland forest-and-river landscape whose principal purpose is conservation rather than recreation.
Official Palauan material identifies Ngerderar as Aimeliik’s Protected Areas Network site. Environmental documents place an entrance near the Compact Road in the Imul area and describe the Ngerderar River and surrounding largely undeveloped land. A map pin provides orientation, but it does not prove that a trail, gate or parcel is freely open to visitors. Land tenure and state rules in Palau require respectful local confirmation.