There are 7 of us, ranging in age from 18 - 65 years old, that would like to travel to Switzerland for two full days the middle of May. We will be coming from Paris and leaving for Positano, Italy after Switzerland. We want to see lakes, mountains, scenery, some of us are thinking hang gliding in Lauterbrunnen. Where would you recommend we stay with in the Bern, Lauterbrunnen, Wengen, Interlaken area. We will be using public transit for our transportation. Arriving from Paris by train and leaving by train to Italy.