The Landai Sin Valley, or the Bashgal Valley, is a geographical feature of Nuristan Province, eastern Afghanistan, formed by the Landai Sin River which empties into the Kunar River (also called the Chitral River) at Barikot, Kamdesh District in Nuristan, Afghanistan. The largest town in the valley is Kamdesh. The lower Bashgal Valley is inhabited by the Kom people.