"access"=>"permissive","motor_vehicle"=>"private","network"=>"Tahoe Donner Home Range","operator"=>"Tahoe Donner Association","piste:difficulty"=>"easy","piste:grooming"=>"classic;skating","piste:name"=>"North Fork","piste:oneway"=>"yes","piste:type"=>"nordic","surface"=>"gravel","tracktype"=>"grade2"