427.26 km loop hiking starting from Borovets. Elevation gain is 20104 m, with altitude ranging from 149 m to 2917 m. Estimated time: 150 h 10 min. Starting town: Borovets (Смолян, Bulgarie).
This hike includes 42 significant climbs. With a total elevation gain of 9307 m across 109.41 km, with an average slope of 8.5%.
- Climb 1 (at km 12.39 km): +1382 m over 10.26 km, average slope 13.5%
- Climb 2 (at km 14.49 km): +112 m over 576 m, average slope 19.4%
- Climb 3 (at km 29.16 km): +369 m over 2.47 km, average slope 15.0%
- Climb 4 (at km 41.14 km): +72 m over 1.06 km, average slope 6.8%
- Climb 5 (at km 56.49 km): +70 m over 1.10 km, average slope 6.4%
- Climb 6 (at km 72.54 km): +464 m over 8.11 km, average slope 5.7%
- Climb 7 (at km 77.79 km): +105 m over 1.30 km, average slope 8.1%
- Climb 8 (at km 86.45 km): +152 m over 3.66 km, average slope 4.2%
- Climb 9 (at km 103.02 km): +213 m over 3.27 km, average slope 6.5%
- Climb 10 (at km 111.75 km): +231 m over 4.62 km, average slope 5.0%
- Climb 11 (at km 124.42 km): +56 m over 730 m, average slope 7.7%
- Climb 12 (at km 129.35 km): +39 m over 845 m, average slope 4.6%
- Climb 13 (at km 135.13 km): +108 m over 1.73 km, average slope 6.2%
- Climb 14 (at km 154.75 km): +100 m over 1.30 km, average slope 7.7%
- Climb 15 (at km 157.63 km): +95 m over 972 m, average slope 9.8%
- Climb 16 (at km 170.33 km): +241 m over 1.48 km, average slope 16.3%
- Climb 17 (at km 180.32 km): +309 m over 4.19 km, average slope 7.4%
- Climb 18 (at km 187.75 km): +241 m over 2.42 km, average slope 10.0%
- Climb 19 (at km 190.73 km): +54 m over 354 m, average slope 15.3%
- Climb 20 (at km 197.48 km): +408 m over 3.88 km, average slope 10.5%
- Climb 21 (at km 209.85 km): +800 m over 6.15 km, average slope 13.0%
- Climb 22 (at km 213.21 km): +153 m over 1.89 km, average slope 8.1%
- Climb 23 (at km 225.52 km): +88 m over 1.20 km, average slope 7.3%
- Climb 24 (at km 233.01 km): +96 m over 1.41 km, average slope 6.8%
- Climb 25 (at km 242.86 km): +292 m over 4.88 km, average slope 6.0%
- Climb 26 (at km 254.86 km): +265 m over 4.04 km, average slope 6.6%
- Climb 27 (at km 260.52 km): +33 m over 737 m, average slope 4.5%
- Climb 28 (at km 273.63 km): +448 m over 2.26 km, average slope 19.9%
- Climb 29 (at km 285.18 km): +397 m over 1.60 km, average slope 24.8%
- Climb 30 (at km 299.10 km): +82 m over 1.24 km, average slope 6.6%
- Climb 31 (at km 318.94 km): +182 m over 2.42 km, average slope 7.5%
- Climb 32 (at km 324.43 km): +312 m over 3.51 km, average slope 8.9%
- Climb 33 (at km 346.46 km): +158 m over 3.55 km, average slope 4.5%
- Climb 34 (at km 356.20 km): +98 m over 2.53 km, average slope 3.9%
- Climb 35 (at km 368.67 km): +194 m over 3.74 km, average slope 5.2%
- Climb 36 (at km 382.03 km): +152 m over 2.93 km, average slope 5.2%
- Climb 37 (at km 385.78 km): +56 m over 943 m, average slope 5.9%
- Climb 38 (at km 393.58 km): +194 m over 2.83 km, average slope 6.8%
- Climb 39 (at km 400.47 km): +168 m over 2.39 km, average slope 7.0%
- Climb 40 (at km 407.47 km): +173 m over 2.52 km, average slope 6.9%
- Climb 41 (at km 413.66 km): +51 m over 1.16 km, average slope 4.4%
- Climb 42 (at km 421.34 km): +94 m over 1.14 km, average slope 8.2%
