Question: Which border did where he parc naturel régional du Haut-Jura is located follow 
Sentence (from "Bannec"): Bannec or Banneck, "Banneg" in Breton (from the Breton "bann," "horn", a term often used for sharp summits) is an uninhabited French island in the Iroise Sea close to the city of Brest in Brittany.
Relevant evidence: No