km
mi
ST520 Smolyan - Polkovnik Serafimovo
One-way distance
10.1
mi
Trail type
Hiking
Ascent & descent
2,559
ft
2,391
ft
Highest & lowest
Weather
Operator
Sultans Trail Foundation
OSM relation
19982068
Website
Website
Synced
10/29/2026
19982068