San Isidro, also referred to as San Isidro de Heredia,[2] is a canton in the Heredia province of Costa Rica.

[1] San Isidro has an area of 26.96 km²[5] and a mean elevation of 1,337 metres.

[3] The canton is in the highlands northeast of the provincial capital city of Heredia.

The Pará Blanca River forms its far northeastern border.

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