HomeCastelnau-MontratierL'Oustal Biel🍽️L'Oustal Biel🍽️ Restaurant · Castelnau-Montratier Frequently asked questions 🤔Where is L'Oustal Biel? At Saint Privat, 46170 Castelnau-Montratier. What kind of food does L'Oustal Biel serve? L'Oustal Biel is listed under Restaurant. How can I contact L'Oustal Biel? By phone at +33615655092. Follow them on social media 📲FacebookL'Oustal BielUpdated on 9 November 2026