The short Ararapira River marks the border with São Paulo.

Guaraqueçaba has historical significance, being among the first Portuguese settlements in the state of Paraná in 1545.

The municipality contains the 819 hectares (2,020 acres) Salto Morato Private Natural Heritage Reserve, created in 1994.

[3] It contains the 400 hectares (990 acres) Sebuí Private Natural Heritage Reserve, created in 1999.

[5] It also holds 53% of the 34,179 hectares (84,460 acres) Bom Jesus Biological Reserve, a strictly protected conservation unit established in 2012.