Think what the devs intended is that each part is just under the lake. But then you have the upper common room windows showing under the viaduct bridge, which is much higher than the lake. The devs used non-transparent windows to hide a lot of physical limitations, which also applies to other locations, such as hufflepuff common room. You know
Throughout the Harry Potter movies, many scenes are set within the Gryffindor Common Room. This means that there were often moments in the Boys' Dormitory, too. Some that stand out include Hermione attacking Neville in The Sorcerer's Stone, students learning of another Basilisk attack in The Chamber of Secrets, and Harry Potter and Albus Dumbledore having a sweet exchange in The Goblet of Fire.
Vast chamber with an enchanted ceiling that mirrors the sky outside. Four long tables for the four houses. Closest to the doors from the Entrance Hall is Slytherin, then Ravenclaw, Hufflepuff, and next to the far wall, Gryffindor ().The teachers sit at the High Table, a table on a raised platform at the front of the room.
In fact, we've learnt quite a lot about it over the years. This common room was found in the same corridor as the kitchens behind a pile of barrels. If you tapped on the barrel two from the bottom in the middle of the second row to the rhythm of 'Helga Hufflepuff' you would be granted entry.The fastest way for other students to find the Hogwarts kitchen is to fast travel to the Grand Staircase, turn around, and descend the steps all the way down to the bottom. Upon reaching thelliy2v.