Thanks for pointing to it, Caroline. Now I can visualize this:

They crossed it by a simple bridge, in character with the general air of the scene; it was a spot less adorned than any they had yet visited; and the valley, here contracted into a glen, allowed room only for the stream, and a narrow walk amidst the rough coppice-wood which bordered it. - Pemberley.

And better "see" Longbourn's "pretty kind of a little wilderness":

They proceeded in silence along the gravel walk that led to the copse; Elizabeth was determined to make no effort for conversation with a woman who was now more than usually insolent and disagreeable.

As soon as they entered the copse, Lady Catherine began in the following manner: --