You shall climb the path and enter a gloomy forest.

Glancing often at his compass, he entered the gloomy forest.

Historically, people never wanted to live in dark, gloomy forests unsuited to farming.

With a few chosen companions he set out, making his own trail through the gloomy forest.

All around him, just a step away to his right or left, was the gloomy forest.

It was getting dark in the cold, gloomy forest.

The story begins deep within a dark, gloomy forest.

The train, deserting the open country, entered a great forest, dark, gloomy, mysterious.

The two youths on bicycles followed him and were soon swallowed by the gloomy forest.

I say, that looks like a gloomy old forest we're heading towards.