Antietam Battlefield

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Historic Battlefield1, Sharpsburg, Washington County, Maryland, United States

Antietam Battlefield

The Maryland field that saw the bloodiest single day in American history.

0.0 (0) 3 viewsPlaces and POI • Historic Sites

Acroterion via Wikimedia Commons (CC BY-SA 4.0)

71°F A shower

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39.4742°, -77.7453°

Overview

Antietam National Battlefield in Maryland marks the site of the bloodiest single day in American history. On September 17, 1862, the armies of Robert E. Lee and George McClellan clashed along Antietam Creek, and by nightfall some 23,000 men had been killed, wounded, or were missing — more American casualties in one day than in any other in the nation's history.

Though tactically inconclusive, the battle halted Lee's first invasion of the North and gave President Lincoln the victory he needed to issue the preliminary Emancipation Proclamation, transforming the war's purpose to include the abolition of slavery. Today the battlefield preserves landmarks like the Sunken Road ('Bloody Lane'), Burnside's Bridge, and Dunker Church across a quiet, rolling Maryland landscape that belies the carnage once unleashed there.

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The Mumma Farm, Antietam National Battlefield, Maryland, USA

The Mumma Farm, Antietam National Battlefield, Maryland, USA

Acroterion via Wikimedia Commons (CC BY-SA 4.0)

The observation tower at Antietam National Battlefield from Richardson Avenue, Sharpsburg, Maryland, USA

The observation tower at Antietam National Battlefield from Richardson Avenue, Sharpsburg, Maryland, USA

Acroterion via Wikimedia Commons (CC BY-SA 4.0)

Winter field at Antietam National Battlefield, Maryland, USA

Winter field at Antietam National Battlefield, Maryland, USA

Acroterion via Wikimedia Commons (CC BY-SA 4.0)

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Historic Battlefield Data5 / 5 fields

Historic Battlefield Data

5 / 5 fields

General

Battlefield TypeLand Battle

Battle OutcomeInconclusive

Conflict NameCivil War

Involved FactionsConfederate

Terrain TypeHills

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Within 25 mi

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Map of Antietam Battlefield

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Location

1, Sharpsburg, Maryland

Washington County

United StatesUS

39.47420°, -77.74530°

nps.gov/anti (Official Website)

Current Weather

Updated 7:14 AM

75°F

Cloudy

Feels like 73°

Wind

1.7 mph SSW

Humidity

65%

Visibility

18 mi

UV Index

0

5-Day Forecast

Thu 25%87° 67°

Fri 55%84° 66°

Sat 94%76° 67°

Sun 22%84° 66°

Mon 25%89° 69°

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Added Jun 25, 2026

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