valley

A long, low area of land between hills or mountains, often with a river.

• A river runs through the valley.
• We walked down into a green valley.
• Small villages lie in the valleys between the mountains.

Similar words: vale

Common phrases: deep valley, river valley, narrow valley

An area of land from which water flows into the same river.

• Rainfall across the valley feeds the river.
• The valley includes all the land drained by this river.
• Flood planning covers the whole valley, including its smaller rivers.

Similar words: river basin, catchment

Common phrases: river valley, valley drainage

A low, narrow part of a structure, especially where two sloping roof surfaces meet.

• Rainwater runs down the roof valley.
• The builder repaired the valley between the two roof sections.
• Leaves had blocked both valleys on the roof.

Common phrases: roof valley, valley gutter