Serpentine
"mtb:scale:imba"=>"3","mtb:scale:uphill"=>"3","network"=>"ValDavid","piste:difficulty"=>"advanced","piste:grooming"=>"classic","piste:name"=>"1-Serpentine Haut","piste:oneway"=>"yes","piste:ref"=>"1","piste:type"=>"nordic","surface"=>"ground"