Cachoeirinha is a city located in the Brazilian state of Rio Grande do Sul. It occupies a strategic location within the region, sharing borders with several neighboring municipalities, including Porto Alegre, Canoas, Esteio, Sapucaia do Sul, Gravataí, and Alvorada.
The city serves as an alternative for individuals seeking proximity to Porto Alegre. Its local holiday is celebrated on May 15, commemorating the date of the city's emancipation.