In its steep-sided valleys, rushing rivers flow through dense forests.
A short distance along the ridge, the trail turned and began descending towards a steep-sided valley.
However, the road ran along a steep-sided valley, and his party came under attack from the iron workers through down large stones and rocks.
The steep-sided valleys of the cloughs cause significant erosion and deposition.
They were at the bottom end of a steep-sided valley, which had a stream running through the middle.
Its site, in a wooded basin rather than a steep-sided valley, gave the place a more spacious air.
Next day we followed a faint path that continued up a steep-sided valley towards the crater.
Spoil is placed at the head of a narrow, steep-sided valley or hollow.
Instead of a sunny plateau surrounded by gentle slopes, the site was a steep-sided valley.
Here the flat, scorched plain came to an abrupt end, and fell away in a deep, steep-sided valley.