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Mattawoman Natural Environment Area
Maryland State Natural Area
The headwaters of the Mattawoman Creek are protected by the Mattawoman Natural Environment Area, a state area administered by the Department of Natural Resources. The Mattawoman Creek is popular for fishing for largemouth bass.
Mattawoman Creek is primarily a shallow tributary to the Potomac River, but does have a defined channel for most of its navigable length. There is a 6 mph speed limit on the north side of the creek where the channel is close to the U.S. Naval Surface Warfare Center. Boat speed is enforced by the military. Vegetation is thick at certain times of the year in Mattawoman with both SAV and lily beds being abundant throughout much of the creek. Other good fishing structures include downed trees, overhanging brush, concrete rip-rap, old barges and pilings. Largemouth bass is the most sought-after species, but Mattawoman also has catfish, carp, bluegill and pumpkinseed sunfish, white and yellow perch, pickerel, crappie and longnose gar, and an occasional striped bass.