While walking along the "Avenue Gustave Ador", there are a couple of gardens you should not miss. The first is the one in the picture, the "Parc la Grange". In this 12,000 m2 (=15,000 square yards) park you will find more than 200 different species of roses planted around reflecting ponds and pergolas.
The other park you should not miss is the one in the following picture ...