General Roca is a city in the northeast of the Argentine province of Río Negro, northern Patagonia. UN/LOCODE is ARGNR.
The city was founded on September 1, 1879, by Coronel Lorenzo Vintter during the Conquest of the Desert. It was destroyed in 1899 by a flooding of the Río Negro, and had to be rebuilt 5 kilometres (3.1mi) west in higher lands.