Geography Tool Shed : Maryland Rivers

United States Rivers

Maryland

River count	114
River miles	2,538

Large Bodies of Water

Atlantic Ocean
Chesapeake Bay

Rivers

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Name	Length (miles)	Watershed Length (miles)
Anacostia River	1.9	27
Anacostia River - Northeast Branch	3.2	3
Anacostia River - Northwest Branch	22.2	22
Antietam Creek	41.5	58
Back Creek	6.3	6
Back River	16.2	16
Barren Creek	15.9	16
Bear Creek	17	17
Beaver Creek	16.9	17
Beaverdam Run	10.8	25
Bennett Creek	17.8	28
Big Annemessex River	22.2	22
Big Elk Creek	13.2	13
Big Pipe Creek	31.7	32
Blackwater River	26.9	43
Broad Creek	17.9	18
Bush Creek	15.3	15
Bush River	12.5	32
Casselman River	8.8	31
Casselman River - North Branch	13.4	13
Casselman River - South Branch	8.4	8
Catoctin Creek	30.1	30
Chester River	47.8	48
Chicamacomico River	17.7	18
Choptank River	15.1	51
Christina River	3.1	3
Conewago Creek - South Branch	2.3	2
Conococheague Creek	22	23
Conowingo Creek	4.5	5
Deep Creek	15.1	15
Deer Creek (Susquehanna River tributary)	46.4	46
Dividing Creek	19.1	19
Double Pipe Creek	1.6	58
Elk River	18.6	53
Evitts Creek	11.2	11
Fifteenmile Creek	14	14
Georges Creek	17.6	18
Great Seneca Creek	21.5	22
Gunpowder Falls	54.5	121
Gunpowder River	13.5	134
Gwynns Falls	26.6	27
James Branch	2.2	2
Jones Falls	21.2	21
Licking Creek	0.6	1
Lick Run (Potomac River tributary)	9.7	10
Little Bennett Creek	10.4	10
Little Blackwater River	16	16
Little Choptank River	15.2	15
Little Conococheague Creek	11.2	11
Little Elk Creek	14.5	15
Little Falls	15.7	16
Little Gunpowder Falls	25.1	25
Little Monie Creek	14.6	15
Little Monocacy River	10.2	10
Little North East Creek	12.5	13
Little Patuxent River	37.8	62
Little Pipe Creek	25	25
Little Seneca Creek	13.2	13
Little Wicomico River	12.7	13
Little Youghiogheny River	12.6	13
Magothy River	14.7	15
Manokin River	26.3	26
Marsh Creek (Monocacy River tributary)	1.1	1
Marshyhope Creek	13.8	14
Marumsco Creek	17.5	18
Mason Branch	14.4	14
Mattawoman Creek	31.1	31
Middle Creek	2.8	3
Middle Patuxent River	23.9	24
Miles River	15.7	16
Monie Creek	21.6	22
Monocacy River	58.5	206
Morgan Run	14.4	14
Nanticoke River	0	63
Nassawango Creek	20.7	21
North East Creek	14.2	27
Octoraro Creek	9.2	9
Otter Point Creek	5.1	20
Owens Creek	16.3	16
Patapsco River	46	152
Patapsco River - North Branch	24.7	39
Patapsco River - South Branch	19.5	20
Patuxent River	119.8	196
Patuxent River - Western Branch	14.8	15
Piney Creek (Monocacy River tributary)	15.3	15
Piscataway Creek	19.5	20
Pocomoke River	55.1	95
Potomac River	292.2	1,085
Potomac River - North Branch	103.4	169
Quantico Creek	17	17
Rewastico Creek	14.5	15
Rock Creek	23	23
Romney Creek	17.9	18
Sassafras River	4.4	4
Savage River	29.5	30
Seneca Creek	7.1	42
Sideling Hill Creek (Potomac River tributary)	15.8	16
St. Marys River	27	27
Susquehanna River	14.3	95
Toms Creek	9.9	13
Tonoloway Creek	3.3	3
Town Creek	31.3	31
Transquaking River	52.3	113
Tred Avon River	17.1	17
Tuckahoe Creek	21.5	36
Western Run	14.4	14
Wicomico River (Chesapeake Bay tributary)	22.7	23
Wicomico River (Potomac River tributary)	20	42
Wills Creek	6.8	7
Winters Run	14.6	15
Wye East River	18.1	18
Wye River	16.2	16
Youghiogheny River	42.9	118
Zekiah Swamp Run	22.2	22

Note: Lengths are for the part of the river/watershed within the boundary of this state.

Note: Mostly rivers/streams 15+ miles in length.

Data from United States Geological Survey