How do you spell snowcatting?

There is no official word "snowcatting." It's likely a made-up term, perhaps related to:

* Snowcat: A type of tracked vehicle used in snow, often for transportation or snow removal.

* Cat-skiing: A type of skiing where skiers are transported uphill by a snowcat.

If you provide more context about how you encountered this term, I may be able to give you a more accurate answer.