Avalon
Patapsco Valley State Park, 8020 Bltimore National Pike,
Ellicott City, MD 21043 Telephone: 410-461-5005
QOC's map is 1:7,500 with 20 feet coutours done in 1991. Now in OCAD.
From I-195 exit 3 in Elkridge MD, take US 1 South. Then first
right and first left into Patapsco State Park. Follow road.