Cachoeirinha is a city in the Brazilian state of Rio Grande do Sul. Cachoeirinha is an alternative for the people who want to be near Porto Alegre. The city is situated at a strategic point in Rio Grande do Sul state. The city shares borders with Porto Alegre, Canoas, Esteio, Sapucaia do Sul, Gravataí and Alvorada. The city holiday is on May 15, the date on which the city declared its emancipation.