From San Bernardino village you reach the Bocchetta de Curciusa. The way continue in the Curciusa valley. At the alp Tambo you take the path that take you to Hintertälli, Splügenberg and at the end the lake Montespluga for reach Madesimo.
From the San Bernardino village you reach the area Acubona. In 2 hours you reach the Bocchetta de Curciusa. The way is advisable for able walker, specialy the part of the way that bring you to the bocchetta de Curciusa 2420m. From the Bocchetta de Curciusa you descend in direction of the alp Tampo where you have the deviation for Madesimo.