Gravelly Branch (Nanticoke River tributary)

Gravelly Branch
Tributary to Nanticoke River
Location of Gravelly Branch mouth
Gravelly Branch (Nanticoke River tributary) (the United States)
Location
CountryUnited States
StateDelaware
CountySussex
Physical characteristics
SourceEllendale Swamp on Sowbridge Branch divide
 • locationabout 1 mile south-southeast of Ellendale, Delaware
 • coordinates38°48′20″N 075°24′35″W / 38.80556°N 75.40972°W / 38.80556; -75.40972
 • elevation45 ft (14 m)
MouthNanticoke River
 • location
about 2 miles northeast of Middleford, Delaware
 • coordinates
38°41′11″N 075°33′21″W / 38.68639°N 75.55583°W / 38.68639; -75.55583
 • elevation
3 ft (0.91 m)
Length13.12 mi (21.11 km)
Basin size39.09 square miles (101.2 km2)
Discharge 
 • locationNanticoke River
 • average47.77 cu ft/s (1.353 m3/s) at mouth with Nanticoke River
Basin features
ProgressionNanticoke RiverChesapeake BayAtlantic Ocean
River systemNanticoke River
Tributaries 
 • leftGravelly Ditch
 • rightProng Number One
Smith-Short and Willin Ditch
Tussocky Branch
WaterbodiesCollins Pond
BridgesSaw Mill Road (x2), US 113, W Robbins Road, Redden Road, Deer Forest Road, DE 18-404, Coverdale Road

Gravelly Branch is a 13.12 mi (21.11 km) long 4th order tributary to the Nanticoke River in Sussex County, Delaware.