Possible Clues:

• Coastal region having water flowing over one area
• Arrive bedraggled around lunchtime in France
• Subtropical coastal area
• Coastal region with subtropical vegetation
• The Seine perhaps covers one area of France!
• I arrive at fashionable European coastline
• I arrive shattered in holiday destination
• One in 12 across with a place in France
• Coast of S. France/Italy
• Coastal hot spot