Why work up a sweat when you can be pulled up gracefully instead? A relaxing way of ascending to the top, Funiculaire de Saint-Hilaire-du-Touvet is a smart alternative to hiking it.
You'll have sightseeing choices galore when visiting Crolles. Funiculaire de Saint-Hilaire-du-Touvet is an ideal place to start here, but there are many other fine places to check out. La Scia Ski Lift, Jardins et Chateau du Touvet, and Museum of Sacred Art - Saint-Hugues-de-Chartreuse are not far from the incline railway and will fill in your day nicely.