Cañas is a canton in the Guanacaste province of Costa Rica.

[1] Cañas has an area of 682.2 km²[4] and a mean elevation of 86 metres.

[2] The elongated canton touches the Tempisque River in the southwest.

It keeps the Bebedero River and Tenorio River on its western boundary as it widens to encompass agricultural lowlands before climbing into the Cordillera de Guanacaste up to the Tenorio Volcano.

[8] The canton is covered by the following road routes: This Costa Rican location article is a stub.