Reserve with many ponds to observe birds and nature. There are a few birdwatching place and a pond to fish. Check the hiking highlights to find the view points.
A hole in the forest with less trees offer you a clear view over the lake and the alps. The view over the Mont Blanc is really beautiful when you have a bit of elevation.
Lost pond in the middle of the forest. If you are there in the good period, you might see thousands of little frogs in the forest. Watch out of the mosquitos!!