This is how I found the world’s narrowest three-country salient — the 390ft-wide gap border of Togo in between Burkina Faso and Ghana. I went to Togo for the dedicated Geography Now episode ...

It lies about four hundred miles north west of modern Ghana. Ancient Ghana encompassed what is now modern Northern Senegal and Southern Mauritania. Nobody is sure when Ghana came into being.

This is how I found the world’s narrowest three-country salient — the 390ft-wide gap border of Togo in between Burkina Faso and Ghana. I went to Togo for the dedicated Geography Now episode ...