COUNTY HIGH LOCATION LOW LOCATION Allegany 2895 Dan's Rock 420 Potomac River at Sideing Hill Creek Anne Arundel 300 Ft. Meade Rd. .25mi W of BW pkwy 0 Chesapeake Bay Baltimore City 480 NW Corner in vicinity of 0 Baltimore Harbor Reisterstown Road Baltimore 966 Mason-Dixon Line near 0 Chesapeake Bay Stiltz, PA. On Middletown Road Calvert 168 Sunderland at jct. Route 4 and 262 0 Chesapeake Bay Caroline 79 3 mi. W of Henderson, 0 Chesapeake Bay N side of Bee Tree Rd. Carroll 1120 0.4 mi. NW of Wentz 260 Patapsco River nr Marriottsville Cecil 535 .25 mi. S of Rock Springs 0 Chesapeake Bay Charles 235 nr Bolton, 4.5 mi WNW of Waldorf 0 Potomac River Dorchester 57 Johnson Rd., 2.5 mi. E of Williamsburg 0 Chesapeake Bay Fredrick 1895 S. Mountain, 2 mi. NW of Wolfsville 200 Potomac River Garrett 3360 Hoye Crest on Backbone 960 Potomac River at Mt. On the Md. WV border Bloomington Harford 803 Slate Ridge, 0.4 mi. E of Whiteford 0 Chesapeake Bay Howard 873 1.5 mi. NW of Long Center 20 Patapsco River Kent 102 2.25 mi. W. of Coleman 0 Chesapeake Bay Montgomery 845 Damascus 10 Potomac River at Little Falls Prince Georges 296 Suitland, at jct Walker 0 Potomac River Mill Rd. and Rollins Rd. Patuxent River Queen Annes 87 .5 Mi. NW of Star 0 Chesapeake Bay St. Marys 188 New Market 0 Chesapeake Bay Somerset 46 2 mi. NW of Friendship Church on 0 Chesapeake Bay Meadow Bridge Road Talbot 78 Rt. 328, NE edge of Easton 0 Chesapeake Bay Washington 2140 Quirauk Mt., 1.2 mi. S of Ft. Ritchie 250 Potomac River at Harpers Ferry Wicomico 73 1 mi. W of Waste Gate 0 Chesapeake Bay Worcester 65 1 mi. S of Furnace 0 Atlantic Ocean NOTES: The highest point in Maryland is 3,360 feet above sea level on Backbone Mountain, Garrett County. The absolute lowest point in Maryland is a depression, often called Bloody Point Hole, 174 feet below sea level approximately 1 mile west-southwest of the southern tip of Kent Island, Queen Anne's County. This data was compiled by the Maryland Geological Survey JAN 1998