The village is in a deep mountain valley.
I enjoyed fishing in the clear stream running through the ravine.
Standard kanji spelling. The reading やまま is obsolete.
Common mixed kana-kanji spelling, easier to read.
Alternate kanji spelling using 合い.
Compound of 山 (yama, 'mountain') and 間 (ai, 'interval, space between'). The reading やまあい is a standard rendaku-free combination. The obsolete reading やまま is a contraction.