The 1,600 acre Loch Raven Reservoir CWMA is owned by the City of Baltimore and is managed to protect the reservoir. The area is open to hiking, rowing or paddle boating, bird watching, horseback riding and nature photography year-round, and for archery hunting during a regulated season. The reservoir is also managed for warm, cool, and cold water fish species and offers fishing opportunities.

Loch Raven Reservoir is located in central Baltimore County, north of Baltimore City. The 23 billion US gallon capacity reservoir provides drinking water for the City of Baltimore and is fed by the Big Gunpowder Falls. The Loch Raven dam, creating a modern large reservoir lake, was constructed in 1914, submerging the town of Warren