The trek can be started from Sant Guillem, Batère, Cortalets or Mariailles at your best convenience. Nevertheless, it is recommended to start from Batère, because it can be easily reached by car. Sequence, duration and direction (clockwise-counterclockwise) are not pre-determined. While choosing, though, bear in mind the vehicle access restrictions to the four refuges. Look them up in the
chapter "TIPS"