It comprises a sinuous strip of territory measuring between 750 and 800 m.
It passes through the most picturesque scenery in Belgium and is remarkable for its sinuous course, its length of 120 m.
In nearly all instances the rivers, owing to their sinuous course, are much longer.
The south-eastern like the northwestern corner of the island is watered by a considerable number of short mountain streams. The one great river of the eastern versant is the Kutei or Mahakan, which, rising in the central mountains, flows east with a sinuous course and falls by numerous mouths into the Straits of Macassar.
It is about a mile east of Torquay harbour and is of a sinuous nature, running deeply into a hill of Devonian limestone.