 The Battle of Dürenstein ( also known as the Battle of <unk> , Battle of <unk> and Battle of <unk> ; German : <unk> bei <unk> ) , on 11 November 1805 was an engagement in the Napoleonic Wars during the War of the Third Coalition . Dürenstein ( modern <unk> ) is located in the <unk> Valley , on the River Danube , 73 kilometers ( 45 mi ) upstream from Vienna , Austria . The river makes a crescent @-@ shaped curve between <unk> and nearby Krems an der Donau and the battle was fought in the flood plain between the river and the mountains . 
