We met his forces the following day in a wide valley with steep sides.

The river was reported to have steep sides and a rock bed.

They reached the base of a pit with steep sides.

Steve looked up at the steep sides of the big ships.

The road etched its way down the steep side of a hill.

You might almost call it a short valley, with steep sides, one side in particular.

We reached a rocky edge from which a steep side fell away.

He looked out over the city, and down the steep side of the tower.

He'd have to continue across the open facing to the larger mountain, then make his way down its steep western side.

Straight down the steep side of the mountain to the valley.