Ibirapuitã Environmental Protection Area  Ibirapuitã Environmental Protection Area () is a protected area in the state of Rio Grande do Sul, Brazil. It contains the pampas biome. The protected area, which covers of pampas biome, was created on 20 May 1992. It is administered by the Chico Mendes Institute for Biodiversity Conservation. The area includes parts of the Alegrete, Quaraí, Rosário do Sul and Santana do Livramento municipalities of Rio Grande do Sul. It is in the upper basin of the Ibirapuitã River, a tributary of the Ibicuí River. The climate is subtropical with average annual temperature of . The area is classified as IUCN protected area category Ia, Strict Nature Reserve. The primary purposes are to conserve a significant portion of the pampas biome, protect biological diversity and control human activities to ensure sustainable use of natural resources. Protected species include the mussels Lamproscapha ensiformis, Mycetopoda siliquosa and Mycetopoda legumen.