Hofsós Sundlaug hot spring is a must-visit hidden gem in northwest Iceland. Located in the small town of Hofsós, this hot spring is the perfect place to take a relaxing dip and enjoy stunning views of the northern Atlantic Ocean. The pool has a large heated pool, a relaxing jacuzzi, and even an infinity pool—all with amazing views of the sea. You can also take the opportunity to explore the basalt columns right next to the parking lot.