Freteval Forest
Lancaster A2-C went down close to Chateaudun.
"the Lancaster was LL692, one of a batch of 100 Hercules-powered Mk II's built by Armstrong Whitworth at Coventry. Originally with 115 Squadron, it was a survivor of the early-1944 Berlin raids ( as from 2nd January ) and also the notorious Nuremburg Raid of 30/31 March. The aircraft crashed near the village of St. Cloud-en-Dunois, 8km SSE of Chateaudun. Above info culled from Chorley, Francis K Mason's 'Avro Lancaster'...."
Above information courtesy Martin Bull - WWII Forums
Alex Campbell and other crew members, aided by the French Underground, made their way to to Freteval forest. In the forest, hundreds of allied troops hid, supported by the local French community.