Day is free for you to explore the town on your own. Besides the famous Lake Annecy and the River Thiou, Annecy offers nature lovers plenty of beautiful sights including the Semnoz forest, expansive Fins plain, Annecy-le-Vieux hillside and an assortment of mountains. Surround the area are the Veyrier (1,299 metres), the Semnoz (1,699 metres), the Tournette (2,351 metres) and the Parmelan (1,856 metres) mountains. This is a perfect place to take a nature walk.
You could also opt to visit the Le Palais de I’lle or Musée Château d' Annecy . Musée Château d' Annecy castle was built between the 12th and 16th centuries. It served as the residence of the Counts of Geneva and the Dukes of Genevois-Nemours. The Tour de la Reine (Queen's Tower) is the oldest part of the castle. Other notable parts of the castle are: the Vieux Logis, the Logis Nemours, and the Logis Neuf. From the castle terrace there is a view over the old town with its narrow streets and decorated roofs. The museum is installed in the Logis Vieux and the Logis Nemours. The observatory is in the Tower and the Logis Perrière.
Images of Le Palais de I’lle have become the symbol of Annecy. This dank prison resembles a small chateau surrounded by water. It was constructed in the 17th century and is connected to mainland of Annecy by a bridge.