"bicycle"=>"designated","foot"=>"designated","horse"=>"no","mtb:scale"=>"5","piste:difficulty"=>"easy","piste:grooming"=>"classic;skating","piste:type"=>"nordic","ref"=>"1","route"=>"bicycle","sac_scale"=>"hiking","ski"=>"yes","smoothness"=>"very_bad","snowmobile"=>"no","surface"=>"ground","trail_visibility"=>"good","wheelchair"=>"no"