Sixty people have spent the night sleeping under the stars on Snaefell mountain, raising thousands of pounds for Breakthrough Breast Cancer.
After a celebration supper at the summit last night, supporters zipped-up on the slopes for a few hours sleep in cold, damp and misty conditions.
It's the charity's biggest event this year and monies raised will be split between Breakthrough's research fund and the appeal for a breast unit at Noble's hospital.
Organisers have thanks sponsors Swagelock and the Island's civil defence volunteers for their support.
Breakthrough's Angie Aire says the mass outdoor sleepover was a big success:
Clip 1
Steam Packet urged to be more 'transparent' over Manxman issues
Government needs to 'break the cycle' of child poverty on Island
Proportion on waiting lists likely higher than England
Sixth candidate declares for Glenfaba and Peel