(たにそこ)

たにそこ
noun
bottom of a valley
geography
1. bottom of a valley; valley floor
The lowest point of a valley. Also used figuratively to mean the lowest point of a situation, such as an economic depression.
谷底(たにそこ)(かわ)(なが)れている
A river flows at the bottom of the valley.
A car fell from the cliff to the bottom of the valley.
The market reacted favorably to reports that the economy had begun to recover from its lowest point.

谷底(たにそこ) is a compound of (たに) (valley) and (そこ) (bottom). It refers to the lowest point of a valley.

Common collocations

The word is also used figuratively to describe the lowest point of an economic cycle or personal hardship. In economic contexts, 谷底(たにそこ) is the opposite of 山頂(さんちょう) or ピーク (peak).