Ter Apel (Dutch pronunciation: [tɛr ˈaːpəl]; Gronings: Troapel) is a village with a population of 8,866 residents in the municipality Westerwolde in the northern Netherlands, in the province Groningen in the region Westerwolde. The town lies on the stream , which has the valley that together with the Ter Apeler forest belongs to the national network of nature reserves, the . An accommodation centre for refugees is located at Ter Apel, functioning as a "departure centre" for rejected refugees and a registration point, operated by the . Ter Apel lies on the roads N366, N976 and N391. It forms the southern point of the border between Groningen and Drenthe, the Semslinie.