1 adjectives to describe narrow

The higher peaks of Snowdon sink down behind the lower spurs in front; the plain narrows; closes in, walled round with woodlands clinging to the steep hill-sides; and, at last, they enter the narrow gorge of Pont-Aberglaslyn,pretty enough no doubt, but much over-praised; for there are in Devon alone a dozen passes far grander, both for form and size.

1 adjectives to describe  narrow