Top Spots According to the Massachusetts
Freshwater Fishing Awards Program

Their minimum entry requirement is 15 lbs.

The following table is a general lising of the top Pike spots according to their website

Body of Water Town
Buel Lake Monterey
Charles River N/A
Cheshire Reservoir Cheshire
Cochituate Lake Natick
Concord River/Heard Pond Wayland
Connecticut River N/A
French River N/A
Hamilton Reservoir Holland
Onota Lake Pittsfield
Pontoosuc Lake Pittsfield
Quaboag/Quacumquasit Ponds Brookfield
Sudbury River N/A
Webster Lake Webster
Wequaquet Lake Barnstable