What I didn't like is the uphill location of the Namsan Guesthouse 5 because when we are going back to the guesthouse from a tour it was really tiring walking uphill. But all in all staying at the guesthouse was really awesome and value for money! We will definitely go back! But we prefer to stay Namsan 1 or 2, instead.
What we like is the cleanliness of the guesthouse and the security as well. And also the friendly staff.