Probably more hobby steamboats can be found at this meet than any other in the USA. Held, as always, at the town docks in near Moultonborough, New Hampshire. Visit Earl Morse's website at: http://earlmorse.org/steamboa.html
and a short distance down the page you'll find an excellent map of the area with easy driving instructions.
For details and info, contact David Thompson, P.O. Box 175, Moultonborough, NH 03254, tel: 603-476-2224