Camelback is the first place to come to mind, but here are others:http://www.townliving.com/recreation/ski��Bear Creek Mountain is closer to Allentown- bcmountainresort.comAs far as other things to do: Martin Guitar ( Nazareth, Pa) gives free tours, Crayola Factory in Easton is nice if you have kids, There are outlets in Reading, and if you want to travel a little farther- Lancaster ( Amish, trains, outlets, and more) Hershey s Chocolate World in Hershey, and also Philadelphia and New York City aren t too faryou could check out fieldtrip.com to find more places -- http://www.fieldtrip.com/pa/free-pa.htmI m sure your friends that you are visiting can also recommend other places, as well hope this helps!
bear creek, blue mountain, elk mountain, jack frost big boulder, camel back just a few if you d like some more around new york or so lemme no