Wergelandsveien 5Oslo, Norway 0167 Phone: +47 2325-6600Fax: +47 2325-6650 Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 248 - Hoteliers! Is your information accurate? Update Here Thon Hotel Slottsparken Location & Neighborhood Beside the Royal Palace - 40 KM, 1 hr from Oslo Gardermoen airport.