History is for Everyone

NJ, USA

West Morass

Battlefield

The West Morass is a marshy depression within Monmouth Battlefield State Park that played a critical role in shaping the battle on June 28, 1778. This wetland area channeled troop movements and served as a natural defensive feature that both armies had to contend with.

What Happened Here

The West Morass was one of the defining terrain features of the Battle of Monmouth. The marshy ground, fed by streams and springs, created a natural barrier that funneled troop movements and made direct frontal assault difficult. Washington used the morass as an anchor for his reformed defensive line, positioning troops so that the wetland protected one flank. British counterattacks had to navigate around or through the marshy ground, disrupting their formations and exposing them to American artillery and musket fire. The morass remains a visible landscape feature within the state park, and interpretive materials explain how the terrain influenced the tactical decisions of both commanders. The preservation of this wetland is essential to understanding why the battle unfolded as it did.

Visiting Today

Address

Within Monmouth Battlefield State Park, Manalapan, NJ 07726

Hours

Dawn to dusk daily

Admission

Free

Connected Events

Feb 1778
Feb 1778
Valley Forge Training Tested at Monmouth

Friedrich Wilhelm von Steuben, George Washington, Alexander Hamilton, Marquis de Lafayette, Anthony Wayne

Jun 1778
British March from Philadelphia to New York

Sir Henry Clinton, Charles Cornwallis

Jun 1778
Continental Army Departs Valley Forge

Sir Henry Clinton, Friedrich Wilhelm von Steuben

Jun 1778
War Council at Hopewell

George Washington, Charles Lee, Anthony Wayne, Marquis de Lafayette, Friedrich Wilhelm von Steuben, Sir Henry Clinton

Jun 1778
Lee Demands Advance Command

Charles Lee, Marquis de Lafayette, George Washington

Jun 1778
Battle of Monmouth

George Washington, Charles Lee, Sir Henry Clinton, Charles Cornwallis, Anthony Wayne, Marquis de Lafayette, Alexander Hamilton

Jun 1778
Molly Pitcher at the Cannon

Mary Ludwig Hays (Molly Pitcher)