| Pedras Altas | |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Map Size: | 250 |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | Mesoregion |
| Subdivision Type3: | Microregion |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Rio Grande do Sul |
| Subdivision Name2: | Sudeste Rio-grandense |
| Subdivision Name3: | Jaguarão |
| Leader Title: | Mayor |
| Leader Name: | Gabriel de Léllis Junior |
| Established Title: | Founded |
| Established Date: | 16 April 1996 |
| Area Total Km2: | 1377.37 |
| Population As Of: | 2020 [1] |
| Population Total: | 1,954 |
| Population Density Km2: | auto |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -31.7328°N -53.5839°W |
| Elevation M: | 375 |
| Postal Code: | 96487-000 |
| Website: | pedrasaltas.rs.gov.br |
Pedras Altas (Portuguese meaning "High Rocks") is a Brazilian municipality in the southern part of the state of Rio Grande do Sul. The population is 1,954 (2020 est.) in an area of 1377.37 km2.[2] The Jaguarão River, which forms the border with Uruguay here, flows along the southwestern part of the municipality.