Expressions (phrases, clauses, etc.), Noun
Yawata no Yabushirazu (bamboo grove in Chiba; impossible to find one's way out of according to popular legend)
thicket from which one cannot escape; maze
Rare term
getting lost; being unable to find a way out
Rare term
Also written 八幡の不知藪【やわたのやぶしらず】