Hotel-level date: Korean Wikipedia's[6] Lotte Hotel[1][7][8][9] Busan article gives the hotel's official opening (개관) as 31 January 1997 (it also says the building was completed/opened in 1995, so the sources conflict and the date is marked estimated). No restaurant-specific opening date was found for this outlet; the outlet is assumed to date from the hotel's opening and is not a new opening. The promotion start dates are not used as the opening date.
Korean restaurant on the 43rd floor of Lotte Hotel Busan. It has a matsutake menu to 31 October and a one-day temple-cuisine gala dinner on 29 October 2026.