Ross eventually leaves them to enjoy the trip while he heads back alone, though he has a brief moment of connection with Carol upon his return.
: Rachel invites Monica, Phoebe, Joey, and Chandler on a ski trip to her fashion-executive friend's cabin. [S3E17] The One Without The Ski Trip
In the Friends episode " The One Without the Ski Trip " (Season 3, Episode 17), the group deals with the fallout of Ross and Rachel's recent breakup. Ross eventually leaves them to enjoy the trip