After a spell in North and South America (Squaw Valley, California and Portillo, Chile) Allais held the post of technical director at Courchevel from 1954 to 1964, where he introduced many ideas from the U.S. regarding slope preparation and piste security.
The slalom piste at Gudiberg was improved in preparation for the World Championships in 2011, and has hosted World Cup slalom events.
:1st Challenge International sur piste (Scratch), Rushlee Buchanan
Ski trail (aka Piste) networks that criss-cross a mountainside will often change names at intersections such that emergency services like Search and rescue or Ski Patrol can communicate more precisely about where they are and where they are going.