The phrase "a rough trail" is correct and usable in written English.
It can be used to describe a path or route that is uneven, difficult to navigate, or not well-maintained, often in the context of hiking or outdoor activities.
Example: "We decided to take a hike through the forest, but we quickly realized that it was going to be challenging due to the rough trail."
Alternatives: "a bumpy path" or "a rugged route".
A rough trail was later cleared to the one-inch inscriptions, and Mr. Kershner -- hesitant to ruin the mystery -- discussed them in his book without revealing their meaning.
I got my pipe lit, and wandered down into the woods, toward the clearing where the boys had stumbled over the dead man, following a rough trail that the police had found.
"In swimsuits and shorts, they walked barefoot in a staggered line on a rough trail through the woods toward the rock face where the defendant waited with his assault rifle.
In early 1775 Daniel Boone, working for a land speculation company, led a crew blazing a rough trail through the gap, part of what became known as Boone's Trace and the Wilderness Road.
We wended our way down to a sidewalk alongside the Long Island Expressway and, ignoring a sign that read "Trail Closed," went a few yards farther and found a rough trail leading into the woodland's interior.
The boat reaches a small rocky beach, surrounded by trees, through which a rough trail is cut.
You need to take the second path on the right, down a steep, stony and rough trail.
Our truck was also comfortable climbing and descending a steep stretch of rough trail.
From the main road a signpost points down a rough dirt trail through thick pine forest toward the glinting sea.
Tora Bora is in southern Nangarhar Province, connected to the outside world by a rough mountain trail impassable to all but men and mules.
In 1998, racer Brenda Mackey was jolted around so much by the rough trail that her sled became wedged between two trees, forcing her to cut one down to continue.
