Norðdepil lies on Borðoys east coast just where the Borðoy and Viðoy are closest to each other.
A dam from Norðdepil to Hvannasund on Viðoy connects the road systems on the two islands.

Norðdepil was founded in 1866 by Sivar Sivertsen who opened a shop called ‘á Oyrini’ there.
In 1895 a school was opened in the village.
From 1897 to 1912 there was a whaling-station in Norðdepil.