by jmarkb » Wed Nov 22, 2017 11:22 am
Welcome to WH!
Please do go ahead and ask questions on here: there's a huge wealth of experience amongst the posters on the forum.
I trust that you are sufficiently experienced to deal with winter backpacking in the Cairngorms: it's not a very popular activity for good reasons. In the not unlikely event of bad weather it could be at best miserable and at worst life-threateningly dangerous.