Danube Bend
The Danube Bend Hungarian: Dunakanyar is the curve of the Danube in Hungary,to the town of Visegrád.
Geology
The present-day U-shaped loop is probably the a object that is caused or portrayed by something else of an eruption of the Keserűs Hill-volcano, with the associated lava dome formed a later eroded central in the north. The river follows the southern edge of this caldera.