Auberge Saint-Pierrevs?

"This inn is a popular spot due to the fact that it’s in a half-timber 15th-century building adjacent to the ramparts and has its own garden restaurant (half-board rates are available)." Full review

"Situated within the walls of the Mont Saint-Michel, and is one of but a handful of hotels offering the possibility to stay in the monument town after the tourist crowds have departed for the night." Full review

"You’ll be sleeping in an official historic monument in this 15th-century half-timbered inn. While the rooms are on the small side, their exposed ceiling beams and half-timbered walls make..." Full review

"The sheer charm of this 15th-century half-timbered inn makes up for the small size of the rooms. But they are cozy and comfortable, with half-timbered walls and exposed beams." Full review