| Battle of Arroyo Grande | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Uruguayan Civil War | |||||||
 Portrait by Carlos Descalzo | |||||||
| |||||||
| Belligerents | |||||||
 Blancos Argentine Confederation |
 Colorados Unitarian Party | ||||||
| Commanders and leaders | |||||||
|
Manuel Oribe |
Fructuoso Rivera | ||||||
| Strength | |||||||
| 12,000 | 7,500 | ||||||
| Casualties and losses | |||||||
| 300 killed & wounded |
2,000 killed 1,400 wounded | ||||||
The Battle of Arroyo Grande took place on 6 December 1842 and was a major battle of the Uruguayan Civil War.