Lake Singletary is a great place to go paddle for an hour or two with easy access from the boat ramp. There's also usually a porta potty there. Just watch out for fishermen and the power boats going in and out. There's a grass/sand patch to the right of the ramp where you can put in more out of the way.
Rt 146 South to first West Main St Millbury exit. It's a little tricky, go straight through the first stop sign and turn right at the second one, which is only a few feet away. This is West Main Street, travel through the little center, past pond on right, boat ramp will be on the left after the fire house.
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