Why is the Black Forest called " Black Forest " ?

Question

Why is the Black Forest called " Black Forest " ?

Answer 1

Black Forest is a literal translation of Schwarzwald - and the area got the name because its forests are so dark green they can seem almost black, especially when the sky is overcast.

Answer 2

The name refers to the heavy stands of fir on the upper slopes.

Answer 3

Parts of it are so dense with fir and pine trees, it's dark.  That's basically it.