During the 19th century, defensive measures were taken to prevent flooding of the upper valley.
The upper valley of the river is known as Farndale.
Often, waterfalls form at or near the outlet of the upper valley.
The upper valley is home to the county's largely white business community.
We had to climb above it before we could see the upper valley.
Industrial activity is strong in the upper valley of the Aude.
Once you enter the upper valley, you're on your own.
"This is beautiful, but the upper valley is even more so."
Two hundred years later the upper valley was settled by Norsemen.
The upper valley of the Sulm is a protected area.
