The Urban Park of Vale do Silêncio in Olivais is considered one of the best places for running in Lisbon. It features 8 hectares with various leisure options. With paved paths, a bike lane, a playground, sports fields, and picnic areas, it is frequented by locals, especially on weekends. It also boasts rich fauna and flora, a multi-sport facility, a fountain, and a small amphitheater.