For a day by the water with a difference, check out the bubbling pools of Leukerbad-Therme. This spot is known for its mineral-rich thermal waters.
This naturally heated water source in Leukerbad is well-liked by fellow travelers, so make sure it features on your must-see list. Don't think that's all there is to do here, though. There are loads more spots waiting for you to appreciate after Leukerbad-Therme. Alpentherme Thermal Baths, Engstligenalp Gondola Lift, and Aminona Gondola Lift are not far away.