Some information about cross-country ski trips and outings has been posted to some email lists:

Via NyXCski: check out Long Island Cross Country Ski Club. https://liccsc.org/. They have several trips this winter

Via MHVXCS: New Hope Nordics bus trip to Stowe Feb. 7-11 2020. Bus leaves from Souderton, PA http://prnt4u.com/nhn1.htm

Via AMC-ski NY/NJ: Intermediate XC Skiing in Mohonk Preserve. Mondays and Fridays starting Dec. 6. Go to the Google Group AMC-ski NY/NJ, and see post on Nov. 21 2019 for details