Photo: Tubantia, CC BY-SA 3.0 via Wikimedia Commons
The castle hill overlooking the Baie des Anges and harbour offers a spectacular vantage point overlooking the city. Not much is left of its ruined castle besides crumbling walls. Still, climbing up the stairs to reach the platforms 90 m above Nice is well worth the view. There is also a lift (ascenseur) which will take you three quarters of the way up. The castle hill park closes at around sunset. Expect to be escorted outside if you stay longer.
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Sentier Littoral
You can follow the path around Cap de Nice half way to Villefranche, but be prepared for several hundred steps up to rejoin the road. It’s a very beautiful walk and you will find mostly local people using it.
Even if you are not in art, this is a museum which should not be missed. It includes stained glass windows by the artist.
To the west, there is the Musée des Beaux-Arts, housing an excellent collection of pastels and other works by Jules Cheret, among other artists.
The ruins of the Gallo-Roman settlement in Cimiez, plus a museum with nice documentation on Gallo-Roman life (but mostly not in English). Activities for children. Guided tours available.
Charming collection of paintings, drawings and sculptures in 17th-century Genoese villa.
2500 different plants in botanical garden and tropical glass house. Also various animals.