On a raised platform at one side of the room was a long table at which four individuals could be seated. This faced a spacious standing area on the other side of the table, roughly in the center of the room, and an enormous wooden door at the room's opposite side, over which a wall-mounted bat'leth was displayed. Adjacent to the open-floor part of the room was a huge sensory apparatus which had a large screen and could be used to analyze and magnify blood samples that were placed on a sensor pad in front of the screen. Fire pits were at various places inside the room, providing illumination, and the door opened onto an outer chamber.
After the NX-class starship Enterprise arrived in orbit of Qo'noS in 2151, Captain Jonathan Archer – commanding officer of Enterprise – and several members of his crew visited the Klingon High Council Chamber. The newcomers were there to return Klaang to the Klingon Empire, which they proceeded to do. (ENT: "Broken Bow")
Later that year, Subcommander T'Pol, Enterprise's science officer, reminded Captain Vorok that Archer had visited the Chamber. The fact that the Human captain had returned Klaang meant that Vorok's House was no longer feuding with another Klingon House. (ENT: "Unexpected")