Home › Trails › ST519 Perelik - Smolyan vs ST521 Polkovnik Serafimovo - Srednogorci

ST519 Perelik - Smolyan vs ST521 Polkovnik Serafimovo - Srednogorci

A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.

ST519 Perelik - Smolyan ST521 Polkovnik Serafimovo - Srednogorci
Distance 17 km 17 km
Elevation gain 323 m 712 m
Typical duration — —
Difficulty Moderate Easy
Route type Point-to-point Point-to-point
Network International International
Country Bulgaria Bulgaria
Best time to hike Best months: June, August, September Best months: June, August, September
map Route & GPX map Route & GPX

ST519 Perelik - Smolyan vs ST521 Polkovnik Serafimovo - Srednogorci: which should you hike?

At 17 km, ST521 Polkovnik Serafimovo - Srednogorci is the longer route — roughly 0 km more than ST519 Perelik - Smolyan (17 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, ST519 Perelik - Smolyan is the gentler pick. Check the elevation and best-season rows above, then open each route for the full guide and a free GPX download.