Possible Clues:

• Strange man in tedious climb here?
• One's inclined to use admin in building
• Maidens out in winds where snow and ice may be evident?
• Increase area within ski slope, maybe?
• Big hill slope
• Half of Carrauntoohill in The Conor Pass
• Enormous thing to climb up
• Unionist made to suffer -- it could be an uphill struggle here
• Man dies out in wild where many adventurous explorers go?
• I am one nudist being silly in a place where warm clothing is essential!