By Train:

Locarno (5 Km)

By Plane:

Lugano International Airport (40 Km)
Milan-Malpensa Airport (110 Km)

By Car:

Take N2 towards Bellinzona, exit Bellinzona Süd, towards Locarno. Take the Mappo-Morettina tunnel. When leaving the tunnel you must take the Ascona exit and follow the shields Castello del Sole-Ascona.