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1) Lake George area:
c) There are several outlet stores in the Lake George area.
d) There has been a Price Chopper supermarket in Lake George that carries kosher products during the summer. There have also been minyonim in Lake George during the summer. Check ahead to ensure they will be there this summer, and to get details.
2) Albany area: (about fifty miles south of Lake George)
a) Museum of the State of New York. Several exhibits that adults and kids may find interesting, including a huge room filled with current and historical firetrucks, and an actual antique NYC subway car, complete with wax-figure passengers and conductor.
c) There are several shopping malls in Albany.
3) Other things to do nearby:
a) Howe Caverns. About an hour or less west of Albany. Amazing natural cave deep underground. Many rock formations, stalactites, stalagmites, and an underground boat ride.
You may want to find a motel centrally located so that you can set up your base there and make day-trips to the above attractions.
A refrigerator and microwave are very important.
Crest Hill Suites in Albany is very nice, but may be overly expensive (their prices vary) and/or unavailable.
A Days Inn or the like is quite adequate as long as it has a fridge and Microwave.
Have fun!