GPS Latitude and Longitude Coordinates for towns along the C&O Canal Trail and Great Allegheny Passage

Below are the GPS latitude and longitude values for the main towns along the trail. In most cases, the coordinates are for the town's trailhead location.

Town or Trailhead

Latitude

Longitude

Trail

Mile Marker

Georgetown - Washington

38.901855

-77.054930

C&O

0.0

Bethesda

38.970354

-77.153549

C&O

8.0

Potomac

38.998100

-77.248300

C&O

14.0

Seneca

39.070961

-77.341500

C&O

23.0

Poolesville

39.101558

-77.465630

C&O

34.5

Dickerson

39.211569

-77.464981

C&O

41.0

Leesburg

39.110083

-77.553520

C&O

42.5

White's Ferry

39.139210

-77.515200

C&O

44.5

Point of Rocks

39.273553

-77.540822

C&O

48.5

Brunswick

39.311556

-77.630486

C&O

55.0

Harpers Ferry

39.334563

-77.757454

C&O

69.5

Shepherdstown

39.436458

-77.803802

C&O

73.0

Sharpsburg

39.462306

-77.774620

C&O

77.0

Downsville

39.530617

-77.823550

C&O

87.5

Hagerstown

39.645618

-77.725868

C&O

100.0

Williamsport

39.599207

-77.826033

C&O

100.0

Fort Frederick

39.605540

-78.004690

C&O

112.5

Big Pool

39.624408

-78.017525

C&O

114.0

Hancock

39.698008

-78.181930

C&O

125.0

Berkeley Springs

39.626640

-78.231320

C&O

132.0

Little Orleans

39.617100

-78.395648

C&O

144.0

Paw Paw

39.538387

-78.455810

C&O

157.0

Town Creek

39.524601

-78.538814

C&O

162.5

Oldtown

39.538108

-78.612936

C&O

167.0

Cumberland

39.647733

-78.764076

C&O

185.0

Frostburg

39.659210

-78.921920

GAP

21.5

Meyersdale

39.816480

-79.020780

GAP

32.0

Garrett

39.861900

-79.063130

GAP

37.0

Rockwood

39.911020

-79.161330

GAP

44.0

Markleton

39.860460

-79.227310

GAP

50.0

Harnedsville

39.798490

-79.326520

GAP

59.0

Confluence

39.807340

-79.363090

GAP

61.5

Ohiopyle

39.869920

-79.492140

GAP

72.0

Connellsville

40.020180

-79.599750

GAP

90.5

Dawson

40.045140

-79.661890

GAP

95.0

Perryopolis

40.088690

-79.730130

GAP

102.0

Whitsett

40.107380

-79.755970

GAP

104.0

Smithton

40.157940

-79.746150

GAP

106.5

West Newton

40.211268

-79.770352

GAP

112.5

Sutersville

40.241834

-79.806200

GAP

118.0

Buena Vista

40.279710

-79.798234

GAP

121.0

Boston

40.310901

-79.827918

GAP

128.5

McKeesport

40.351150

-79.868940

GAP

133.0

Duquesne

40.373800

-79.844400

GAP

136.5

Homestead

40.413150

-79.911997

GAP

140.5

Pittsburgh

40.434756

-79.996960

GAP

148.0