Outmap
Backcountry ski run (euro:advanced)45.7995° N, 6.6707° EEuro:advanced

Grevettaz

Grevettaz is a mogul descent at Les Contamines: a March 2015 firsthand snowboard account describes the run as ungroomed and bumped from end to end. The same account records a demanding drag-lift return, an important part of that outing rather than a smooth ride back to the main pistes.

References

Dan-o / J2Ski original snowboarder account
St Gervais and surrounds — trip report 8–13 March