Summit Loop
"bicycle"=>"yes","foot"=>"yes","horse"=>"yes","motor_vehicle"=>"no","mtb:scale"=>"2","mtb:scale:imba"=>"2","oneway"=>"yes","piste:difficulty"=>"advanced","piste:grooming"=>"classic;skating","piste:type"=>"nordic","ski"=>"yes","source:geometry"=>"Strava Global Heatmap","surface"=>"gravel"