Enjoy the view of Trier's most well-known landmark: The 4-star Mercure Hotel Trier Porta Nigra has 106 air-conditioned rooms with free WIFI. Our hotel is CCH-certified and offers an events area with five meeting rooms for your meetings or functions for up to 200 people. Arrival: The main train station is 547 yards (500 m) away and Luxembourg Airport 24. 9 miles (40 km) away. If traveling by car, take the A602 and use the public garage at the hotel.