Barcelonnette (French pronunciation: [baʁsəlɔnɛt]; Occitan: Barcilona de Provença) is a commune of France and a subprefecture in the department of Alpes-de-Haute-Provence, in the Provence-Alpes-Côte d'Azur region. It is located in the southern French Alps, at the crossroads between Provence, Piedmont and the Dauphiné, and is the largest town in the Ubaye Valley. The town's inhabitants are known as Barcelonnettes. Wikipedia
A place in France, Barcelonnette is an interesting place to visit, given its unique culture, history and character. After your splendid visit to Barcelonnette, you can proceed to an important near-by city of Menton. Attractions in Menton include Musee Jean Cocteau Collection Severin Wunderman, Bastion Museum, The Basilica Of St-michael The Archangel. Also, to reach Barcelonnette, you'll have to take a flight to Menton; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Barcelonnette.
Don't just take a trip, let the trip take you! Have a enjoyable time at Barcelonnette.