mountain folds; folds of a mountain
Refers to the creases or ridges on a mountain's surface, often used in geographical or descriptive contexts.
The folds of the distant mountain were beautifully lit by the evening sun.
It's difficult to read the mountain folds on a map.
Standard kanji spelling using 襞 (fold/crease).
Mixed kana spelling; 襞 is not a Jōyō kanji, so this form is common in general writing.
Katakana spelling for the second element; sometimes used for emphasis or in technical contexts.
Compound of 山 (mountain) and 襞 (fold/crease). The word is straightforward and transparent.