Sterling's Canyon Road
"access"=>"permissive","motor_vehicle"=>"private","mtb:scale"=>"1","network"=>"RoyalGorgeXC","piste:difficulty"=>"advanced","piste:grooming"=>"classic;skating","piste:name"=>"Silverado S1","piste:type"=>"nordic","smoothness"=>"horrible","surface"=>"earth","tracktype"=>"grade3"