Novo Hamburgo is a city in the southernmost Brazilian state of Rio Grande do Sul. The city covers an area of 217 square kilometers, and the average temperature is 19°C, a mild one for the region. In the decade of 1980 it received the nickname "National Capital of Skateboard", attracting many athletes, tracks and companies directed to the sport. The Sinos River (Rio dos Sinos) runs through it. The city is the industrial center of the Sinos River Valley, the economy of which is based mainly on the manufacture of shoes and the associated leather goods supply chain. It is considered a rich city by Brazilian standards, although many slums dot its outskirts and crime is rampant.