Which river, flowing 3,530 kilometres through the western part of the country, is the longest river in Europe?

• A The Danube
• B The Don
• C The Volga ✓
• D The Dnieper

The Volga rises in the Valdai Hills and empties into the Caspian Sea; it is so central to national identity that it is often called 'Mother Volga' (Волга-матушка).