From Bélézy you can easily visit the many sites of the Provence
Some of these are shown below:

ventoux 2 ventoux1
The Mont Ventoux
palais des papes 2 palais de papes1
The ‘Palais des Papes’ in Avignon (approx. 45 minutes)
orange 1 orange 2
Théâtre Antique in Orange approx. 45 minutes)
vaison11 vaison12
Vaison-la-Romaine (approx. 35 minutes)  
sault 1 sault 2
Sault and the lavender fields (approx. 40 minutes)  
 fontaine 2 fontaine 1
Fontaine-de-Vaucluse (approx. 1 hr)  
pont 1 pont 2
Le Pont du Gard (approx. 2 hrs)
lisle 1 lisle 2
 L’Isle-sur-la-Sorgue (approx. 40 minutes)
In fact I should say:’There is too much to mention it all’. Add to this the numerous Provincial Markets and you will not have enough time to see it all. Of course a good reason to come back to bastidon 511