Flatwater Canoeing in Boston Metro Region?

I am looking for some good flatwater paddling in the Boston, MA Area. I would prefer rivers to lakes, but I guess I'll take what information that anyone has.

Answers:

Looking for unwanted surf boards?

I know ther are some good books about padeling in new england ( i even thin I have one but can't remember the name) I would check at an EMS or other outfitting store to see if there are any gidebooks for the Boston/Eastern MA area.

---

More Questions & Answers...

Anyone know a good fly fishing rod that is reasonably priced.?

Where do i find a cheap kayak?

How tall and how much do u have to weigh to be a coxswain in crew??

Traditional and current uses of a dingy?

What are the differences between waverunners and jetskis?

Where are some good water polo websites?

When filleting a trout, do you leave the skin on?

Kayaking upriver from atlantic ocean up amelia river? Yes?

If I have a small crack on the tail of my surfboard should I get it repaired immediately?

A knot(sailing) equals how many m.p.h? and how many miles or knots - 1 league?

What is better a mako boat or proline boat?