A less crowded alternative to the above:
http://www.dec.ny.gov/outdoor/24494.html
Rollins gives you easy access to some very nice canoe day trips:
http://www.dec.ny.gov/outdoor/24494.html
Floodwood Pond Loop: 12-15 miles, 5 portages, 3-4 days. A justly popular loop, starting and ending at...