"a great forest" is correct and usable in written English.
You can use it whenever you need to refer to a large and lush forest - either in a literal sense or as a metaphor. Example: "The dark, quiet a great forest seemed endless, with its towering trees and mysterious paths."
On one side of this cliff pours the Hudson River, and on the other grows a great forest.
Rees said the new listing should prompt the establishment of a Great Forest national park to cover the Leadbeater's possum's habitat.
"I wanted to create this feeling of weight bearing down on you at the entrance, a powerful impression of timber, like a great forest.
At the entrance of the auditorium, you expect to see a great forest background with dark tangled trees and twisted paths.
Gawain is on the threshold of a great forest, and realises that the stranger beckoning him in is his older self... Without even wiping its feet, Christmas came, and went.
It could be the opening of a children's story: in a great forest on a mountaintop lies a tiny lake, and in that tiny lake lives a tiny frog.
"We've gone from 50 wise guys to five suits," said Barbara Fischer, a consultant who specializes in waste management issues for Great Forest, a private environmental services company in Manhattan.
Where to be natural To the north, Risskov hosts a blue flag beach, while to the south Marselisborg offers a wildlife sanctuary, a royal residence and some great forest walks.
Even without a museum, those curious or intrepid enough to venture into the cemeteries can learn a great deal from this great forest of headstones.
We turned a corner and surprised a great bull forest elephant not 20 feet away.
The 11-mile circular family route is a great little forest foray with gentle gradients, if followed clockwise.
