Pulau Pintu Gedong is one of the outlying islands in the Klang River delta in Selangor. As with the neighbouring islands, it is covered with mangrove swamp and is uninhabited. The Pulau Pindu Gedong Forest Reserve covers the whole island.
Pulau Pintu Gedong and the neighbouring Pulau Selat Kering are in fact one big island separated by a channel. The channel is known as Pulau Selat Kering.