From Milan - Motorway MI - BG (exit Seriate) SS 42 until Edolo, SS 39 to Aprica.
120 minutes from Milan airport.
From Milan - Edolo - Ponte di legno. Stop in Edolo and take the bus to Aprica.
From Milan - Railway line Milan - Sondrio - Tirano, bus from Sondrio or Tresenda to Aprica.