Originally Posted by Unregistered
How can i open the cave? This is my 3 winter and i'm not able to open this cave up.
No, it has to be the 2nd year. A new character comes on 3 winter, not the cave opening. Then on a non rainy day some where around 9 a.m. your character will inspect the waterfall noticing something odd, and you will find the cave and meet the girl.