Possible Clues:

• I shout, absorbing loud echo returning in part of glacier
• Steep part of a glacier
• Face changing sides? Sick about that - it's a slippery slope
• Alpine disaster, I declare, will trap English female
• In one visit, keys drop in glacier
• Glacier feature
• Glacial breakup result
• In the cold I've cracked up bad outside dodgy cafe
• Frozen avalanche
• Irregular glacial mass