• Metro: Passeig de Gracia stop - green line.
• From the airport: take the train to Plaa Catalunya stop (one train every 30 minutes, price: Eur 2.10), then walk down Passeig de Gracia to number 33 (it's a three-minute walk.)
• If you arrive in Barcelona by train: Get off the train at Passeig de Gracia station. The hostel is just in front of the exit.