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Reservoir

Rocky Gorge Reservoir (T. Howard Duckett)

Howard, Montgomery & Prince George's Counties, Maryland

Rocky Gorge Reservoir is a WSSC-owned water supply reservoir of approximately 773 acres open to fishing and boating with a watershed permit. DNR samples show largemouth bass, bluegill, white perch and stunted yellow perch.

N1 mi
Air temp Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area773 acres
Max depth—
Shoreline—
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Largemouth Bass●●●○○

Ranked 4th of medium impoundments for bass over 15 in (2024)

Bluegill●●○○○

Sampled by DNR 2025

White Perch●●○○○

Sampled by DNR 2025

Yellow Perch●●○○○

Sampled 2025; DNR reports stunted population

Striped Bass●○○○○

DNR lists T. Howard Duckett as a nontidal striped bass harvest water

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

  • Browns Bridge LaunchPublic
    Public launch operated by WSSC, Montgomery County side; Watershed Use Permit $6 daily / $70 annual; permits at Brighton Dam Information CenterDirections ↗
  • More public accessPublic
    See the state agency or lake website for all ramps and feesDirections ↗

Size & creel limits

Minimum size and daily limit for each species in Rocky Gorge Reservoir (T. Howard Duckett) are published by the state. Look up the current size and creel limits for this lake directly: Maryland Department of Natural Resources ↗

Rules change, so confirm current limits with the Maryland Department of Natural Resources before you fish.

Bait & tackle nearby

No shops listed yet for this lake. Use the search link below.

Search more bait shops near Rocky Gorge Reservoir (T. Howard Duckett) ↗

Local tips

  • Largemouth bass over 15 inches were among the best catch rates of Maryland's medium impoundments in 2024
  • Yellow perch are stunted per DNR, so expect many small perch
  • A WSSC Watershed Use Permit is required to launch

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

More Maryland lakes

Liberty Reservoir Loch Raven Reservoir Prettyboy Reservoir Triadelphia Reservoir Little Seneca Lake Savage River Reservoir Piney Run Reservoir Lake Habeeb All Maryland lakes →

Always wear a life jacket and check your state's current regulations before you fish.