Join Date: Aug 2006
Location: MUC (home), DUS (office), XXX (customer)
Programs: LH, AB, SPG, CC, Sixt, EC
Posts: 6,332
My GF told me there is a restaurant "Die Karawanne" pretty close to the "4711 House" which everybody will know. Apparently they are open late.
You are safe everywhere as a foreigner in Cologne, especially if you obey common rules.