Car park by the Route des Crêtes.
Take the path that winds its way up to the Grand Ballon. It is well signposted and you are advised to follow it to protect the flora.
(1) Once at the summit, a commemorative statue awaits hikers and an aeronautical station serves as an observatory.
Continue along the ridge to admire the Vosges Mountains. Choose a sunny day.
The return journey follows the same path.