Originally Posted by cognitos

There is not enough information to solve this puzzle.

You have - or what appears to be - a person, some trees, and a house in your image -- but there is no river. Only a blue line with a darker blue line running through it. Also -- is the house in the image the house we must travel to, and is the person in the image the person we are supposed to use in this problem...?

Without more information, this problem is unresolvable.