Possible Clues:

• Swiss-Italian border peak
• What's wrong with the hooter that it's so high?
• Huge amount of stuff high upon a head
• That's the height of the trouble that goes on ahead (3, 10)
• The trouble with the blower is that it's so high
• The trouble with what 8 down had is that it's so high
• The trouble with what comes out of the head is that it comes up in the Alps