Thanks for posting. You were guerrilla camping at all these places except Salisbury Beach? I'm looking for good destinations for eastern MA bike touring, but I'm not sure I'm comfortable camping in urbanized places like Lowell-Dracut-Tyngsborough SF. The MA state parks would be ideal, but they're sort of expensive and apparently charge a two-night minimum stay, which is not usually what I'd want. Anyone know of any good places to camp inexpensively, safely, and preferably legally in eastern MA? Thanks!