Quarta etapa do ATT 2021 e terceira etapa do Campeonato Gaúcho de Corrida em Trilha 2021. Etapa com grande quilometragem em trilhas, paisagens de grande beleza. travessia de riachos. E com a Ultra 50K Ninho das Águias.
Fourth stage of ATT 2021 and third stage of the Gaucho Track Race Championship 2021. Stage with great mileage on trails, landscapes of great beauty. crossing streams. And with the Ultra 50K Eagle's Nest.