Hop into a moto-taxi and if they don't know 'Tambopata Hostel', or 'avenida 26 de deciembre', just request the Plaza de Armas (principal town square); keep on previous the key sq. on the best hand side, and on achieving the top corner talk to the motive force to turn suitable (derecha) and continue on around the final road (avenida 26 de deciembre)