Answer :
there is no close way of getting to the other side. I would say that you would need to take boat.
Answer: Basic Survival Instincts
Explanation:
If we´re assuming that a settler is someone that basically knows nothing about the "new" area or enviroment. Building a boat sounds like the immediate solution, you have the neccesary prime material near you (wood). But building a boat would take time, even if the settler is a carpentry expert.
Explore the surroundings while you´re trying to find a route its the best option.
You´re not only expanding your known territory, you´re also finding new routes on the way.