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Gambrill Mill Soft Launch at Monocacy National Battlefield

Monocacy River · Bartonsville, Frederick County

Gambrill Mill Soft Launch at Monocacy National Battlefield is a free kayak and canoe launch on Monocacy River in Bartonsville, Maryland, with restrooms. It is managed by National Park Service.

Launch
Carry-in (kayak, canoe)
Fee
Free
Car parking
18 spaces
Restroom
Yes
Hours
8:30 AM to 5 PM
Nearest town
3 mi from Ballenger Creek

Managed by National Park Service · 301-662-3515 (Visitor), 301-698-6247 (Admin)

Address: 5201 Urbana Pike (MD-355), Frederick, MD 21704

Directions

Today

Near this ramp

Bait, tackle and outdoor

Gas

Places © OpenStreetMap contributors. Call ahead for hours.

Fish in Monocacy River

Also recorded:

Maryland state records for these fish
FishRecordYearCaught in
Common Carp47 lb 8 oz1997Frederick County Farm Pond
Channel Catfish27 lb 14 oz2004Upper Potomac River
Brown Trout18 lb 3 oz2001North Branch Of Potomac At Barnum
Largemouth Bass11 lb 6 oz2013Huntingtown Farm Pond
Smallmouth Bass8 lb 3 oz1974Liberty Reservoir
Bluegill3 lb 6 oz1998Deep Creek Lake
Rock Bass1 lb 8 oz2010Thurmont Farm Pond

From official Maryland record lists: source

Species recorded here since 1990 (GBIF). Check state regulations for seasons and limits.

Before you launch in Maryland

Maryland boating laws: education, age limits and life jackets

Links go to official Maryland agency pages.

All 8 ramps on Monocacy River · All ramps in Frederick County

New to launching? Read how to launch a kayak.

Nearby boat ramps

Page updated Oct 27, 2026. Ramp details from official Maryland agency records.