This is the 10943rd most frequent Korean word.
금강산으로
"To Geumgangsan" (Geumgang Mountain).
The word '금강산으로' is used here to specify the destination toward which the action of traveling is directed, functioning as an adverbial direction description.
금강산으로 여행을 떠날 계획입니다.
I plan to travel to Mount Geumgang.
In this sentence, '금강산으로' indicates the direction the mountaineers took, describing their movement towards Mount Geumgang.
산악인이 많이 금강산으로 향했어요.
Many mountaineers headed towards Mount Geumgang.
Here, '금강산으로' specifies the intended location for the picnic activity, serving as a locational descriptor within the statement.