Related Clues:

• Moving mass Elgar composed touring Guernsey etc
• Flow of ice
• Polar feature that's better around third of December
• Moving body of ice
• What's retreating with respect to climate instability's first signs?
• Flowing ice
• North Pole covering
• Frozen Arctic formation
• Take pens from car, sleeping in river of ice
• I ran out of picnic area on top of the mountain
• The opposite of a sun-bonnet?
• Mountain top in polar regions
• Region in which one keeps a cool head
• It's hard covering the ground, as required by vice-captain
• Area in which one hundred step up