Battle of Chalk Bluff

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Date	May 1–May 2, 1863
Location	Clay County, Arkansas
Result	Confederate tactical victory (See note in text)

Combatants

United States of America
(U.S. Army)

Confederate States
of America
(Confederate States Army)

Commanders

William Vandever

John S. Marmaduke

Strength

2nd Division
Army of the Frontier

Marmaduke’s Cavalry Division

Casualties

23 killed
44 wounded
53 captured
total of 120 men

30 killed
60 wounded
120 missing
total of 210 men

Marmaduke's Second Expedition into Missouri
Girardeau – Chalk Bluff

The Battle of Chalk Bluff was a land battle of the American Civil War that took place in Clay County, Arkansas, on May 1 and May 2, 1863. Brig. Gen. William Vandever, commanding the 2nd Division of the Union Army of the Frontier, was repulsed in an attempt to prevent Confederate cavalry under Brig. Gen. John S. Marmaduke from crossing the St. Francis River. Though a tactical Confederate victory, Marmaduke suffered considerable casualties and his momentum had been checked, forcing him to abandon his second expedition into Missouri.

Confederate Brig. Gen. John S. Marmaduke had departed his camps in Arkansas in the spring of 1863 with 5,000 cavalrymen, bound for southeastern Missouri. In sharp fighting at the Battle of Cape Girardeau, Marmaduke was defeated, and he began a withdrawal on April 27 towards Helena, Arkansas, traveling on a road on Crowley's Ridge, a long ridge that offered protection for his flanks, as the surrounding terrain was mainly marshy. Union forces under Brig. Gen. William Vandever had pursued Marmaduke through Missouri to Chalk Bluff, Arkansas, where Marmaduke planned to cross the St. Francis River, whose steep chalky white clay banks made fording the river difficult for cavalry.

In an attempt to protect his men while they were crossing the river, General Marmaduke set up a rearguard along the ridge that he hoped would protect his engineers and pioneers as they constructed a bridge strong enough to allow the passage of his entire division. He formed an initial defensive line at the hamlet of Four-Mile, while posting his reserves in a second line a mile away at Gravel Hill, on the crest of the ridge above the river. They began digging entrenchments to forestall any Union attack.

Fighting began on May 1 and continued into the next day. Vandever's men were unable to drive the Confederates from the heights. Although Marmaduke's rear guard sustained heavy casualties, it delayed the numerically superior Union forces long enough as to allow for the construction team to finish building the bridge and allow Maramduke’s main force to cross the river. However, because of the heavy casualties that were suffered by the Confederates, Marmaduke was forced to end the expedition and return to his camp.

While, in some respects, General Marmaduke tactically won the Battle of Chalk Bluff, the Union forces claimed a strategic victory since Marmaduke had abandoned his spring offensive.

The battle is commemorated today in the small Chalk Bluff Battlefield Park, which preserves a portion of the field. The Chalk Bluff Hiking Trail traverses parts of the battlefield, with interpretive wayside markers and panels. A few minor skirmishes occurred there later in the war as both armies sent raiding parties to control the river crossing. The towns of Chalk Bluff, Four-Mile and Gravel Hill are no longer extant.