noun
in the forest; among the trees
Often used in compound nouns such as 林間学校 (forest school) or 林間コース (forest course). As a standalone noun, it refers to being within or among trees.
子供たちは林間学校で自然を学んだ。
The children learned about nature at the forest school.
林間の小道を散歩するのが好きだ。
I like walking along the path through the woods.