The high-level headquarters of Chairman Montgomery of the C-in-C Committee was situated in Château des Fougères (48°25′17″N 2°43′58″E﻿ / ﻿48.42139°N 2.73278°E﻿ / 48.42139; 2.73278, demolished in 1998)[20] in Fontainebleau's neighbouring commune Avon.