Arenal is a district of the Tilarán canton, in the Guanacaste province of Costa Rica.

[1][2] The relocated town of Nuevo Arenal is located in this district.

Arenal was created on 16 April 1979 by Decreto Ejecutivo 10002-G.[2] Arenal has an area of 73.72 km²[3] and an elevation of 620 metres.

[1] For the 2011 census, Arenal had a population of 2,300 inhabitants.

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