“In early 1791 the king wrote to me that he hoped to be able to leave Paris in March or April. I was to indicate the route he should take for Montmedy, to let him know my plan and to settle it when I present it to him.
I advised him that from Paris two routes led to the fortress: one through Reims and Stenay, which includes along the way only a few large towns, such as should be avoided; the other passes by Chalons and Ste-Menehould, Varennes, or Verdun, a fortress city which is the more dangerous because its garrison, people and municipality are odious. To avoid that problem he should take the road to Varennes.
At the same time, I urged the king to ask Leopold II of Austria to arrange for a body of soldiers to march to the Luxembourg frontier, near Montmedy, to give me the pretext to assemble troops there myself. I would then be ready to provide him with support when he arrived.”
De Bouille on his role in the flight to Varennes (1797)
Writing in his 1797 memoir, Francois, Marquis de Bouille, explained his role in the flight to Varennes of 1791: