you need permit but i just launch my kayak by the ledge on the east side of lake on great pond road. i even launched while andover cop watched me. no question. go to johnsons pond on boxford and right next to it theres chadwick pond.theres lots of pond around haverhill but do not fish at kenoza lake by necco college.heard lots of good size there but its drinking water and rangers are there alot of the times.i personally go to chadwick,johns pond and cochichewick.
caught this one @ johnsons pond
this one @cochichewick
oh ya cochichewick has small mouth