Hotel Trianon Welcome to the 3x000D star rated Hotel Trianon in Grenoble. Off site car parking is available. The hotel offers restaurant facilities. Room Facilities Hotel Trianon. All rooms have a hairdryer. There is a no smoking policy throughout the hotel. Rooms offer internet access via wifi or modem. Wireless internet is also available in public areas. Additional Info. An airport shuttle service is available from the hotel. Pets are most welcome at the hotel. A concierge service is available to guests.