ST521 Polkovnik Serafimovo - Srednogorci vs ST529 Madzharovo - Gornoseltsi
A side-by-side look at distance, elevation, difficulty and the best time to hike each — so you can pick the right route.
Units
| ST521 Polkovnik Serafimovo - Srednogorci | ST529 Madzharovo - Gornoseltsi | |
|---|---|---|
| Distance | 11.0 mi17 km | 12.0 mi19 km |
| Elevation gain | 1,631 ft497 m | 1,900 ft579 m |
| Typical duration | 1 day | 1 day |
| Difficulty | Easy | 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: February, April, June, August, September, October, November |
| Route & GPX | Route & GPX |
ST521 Polkovnik Serafimovo - Srednogorci vs ST529 Madzharovo - Gornoseltsi: which should you hike?
At 12.0 mi19 km, ST529 Madzharovo - Gornoseltsi is the longer route — roughly 1.5 mi2 km more than ST521 Polkovnik Serafimovo - Srednogorci (11.0 mi17 km). If you want the bigger challenge or a longer trip, that's the one; for a shorter or first multi-day hike, ST521 Polkovnik Serafimovo - Srednogorci 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.