I really enjoyed Lyon and especially enjoyed the old town. Old town is an easy walk from the other Side of the river, 5 minutes max. How much time you pen here is up to you. There are many traboules to be explored. If you are a huge fan of photography my suggestion would be to go early when there is lots of light, in the afternoon the light is lost. There are also two museums in this section of town. There is very few accommodations here and I would stay in the presquille as there is a much better of selection of restaurants. This section of town is very quaint. On a clear day either walk or take the funicular to he top for a view of the town.