Charles River

Snakehead in the Charles behave the way they do everywhere else in tidal water — they hold tight to whatever cover keeps them ambush-ready, so key on pad edges, matted grass, downed wood, and any shoreline slop where they can sit motionless and blast anything that swims past. This is a tidal stretch, and that changes everything about how you fish it. On high water, snakehead push way back into the flooded grass and skinny pockets, almost impossible to reach. As the tide starts to fall, they get pulled off that skinny structure and stack up along the drop-offs, current seams, and the outer edges of the pads — that ebbing tide is when the bite really turns on, so plan your trip around the falling water off the Charlestown, Charles River entrance station.

Shore access is workable, with parking mapped about 0.12 mi from the water, close enough to walk in light and work the bank methodically. If you want more coverage, there's a boat ramp about 0.08 mi away, and a kayak lets you slide right up against the cover without spooking fish.

Go weedless — topwater frogs and buzzbaits worked slow and twitchy over the mats, chatterbaits along the drop-offs, weedless soft plastics punched into the thick stuff. Spool up with 40-65 lb braid, because when a snakehead eats, you need to horse it out immediately before it wraps you in the grass.