Mary’s Tours conducts five-hour city tours of Guayaramerín and Guajará-Mirim, as well as la ruta de la goma (the Rubber Trail) to Cachuela Esperanza. You can also arrange one- to four-day riverboat cruises on the Río Mamoré aboard its three-story boat, or fishing trips to Rosario del Yata, plus it can help organize flights.