You can get to Leukerbad when you use the highway
Bern-Vevey-Sion-Susten.
You can also get there by Bern - Kandersteg -
Goppenstein (Car-Train)- Gampel - Susten.
From the east you can use the Furkapass in
summertime, in winter use the cartrain
of Car-Train der Matterhorn Gotthard Bahn.