From Cruces Station 3: CA1 - 180-188. Get off at Buenos Aires street corner Colon St. and walk 1 block Colon to Sarandí.
From the airport: take any bus to Rio Branco station is located 15 blocks from the Hostel. From Rio Branco can walk, take a taxi or bus to Old Town (get off at Buenos Aires street corner and walk 1 block Columbus Columbus to Sarandí.)