km
mi
ST521 Polkovnik Serafimovo - Srednogorci
One-way distance
11.1
mi
Trail type
Hiking
Ascent & descent
2,895
ft
2,058
ft
Highest & lowest
Weather
Operator
Sultans Trail Foundation
OSM relation
19982984
Website
Website
Synced
10/27/2026
19982984