El Guarco is a canton in the Cartago province of Costa Rica.

Named after El Guarco, a cacique in the colonial era.

El Guarco was created on 26 July 1939 by decree 195.

[2] El Guarco is an elongated canton that stretches southeast from its capital city to encompass a swatch of the Cordillera de Talamanca (Talamanca Mountain Range).

The Pan-American Highway, locally designated as Route 2, delineates the canton's lengthy southwestern border.