Anello di escursionismo di 127.80 km con partenza da Passo Serra. Il dislivello positivo è di 5559 m, con un'altitudine compresa tra 231 m e 1151 m. Durata stimata: 42 h 40 min. Comune di partenza: Passo Serra (Toscana, Italie).
Questa escursione comprende 19 salite significative. Con un dislivello positivo totale di 2324 m su 30.69 km, con una pendenza media del 7.6%.
- Climb 1 (at km 207 m): +58 m over 144 m, average slope 40.3%
- Climb 2 (at km 5.37 km): +68 m over 517 m, average slope 13.2%
- Climb 3 (at km 8.83 km): +330 m over 2.09 km, average slope 15.8%
- Climb 4 (at km 24.89 km): +255 m over 1.83 km, average slope 14.0%
- Climb 5 (at km 28.05 km): +82 m over 468 m, average slope 17.5%
- Climb 6 (at km 30.92 km): +145 m over 1.24 km, average slope 11.7%
- Climb 7 (at km 35.53 km): +116 m over 1.60 km, average slope 7.2%
- Climb 8 (at km 40.26 km): +84 m over 665 m, average slope 12.6%
- Climb 9 (at km 43.62 km): +124 m over 980 m, average slope 12.7%
- Climb 10 (at km 46.22 km): +73 m over 739 m, average slope 9.9%
- Climb 11 (at km 54.01 km): +48 m over 1.52 km, average slope 3.2%
- Climb 12 (at km 69.15 km): +64 m over 2.16 km, average slope 3.0%
- Climb 13 (at km 80.38 km): +301 m over 4.94 km, average slope 6.1%
- Climb 14 (at km 84.16 km): +61 m over 852 m, average slope 7.2%
- Climb 15 (at km 88.62 km): +67 m over 1.10 km, average slope 6.1%
- Climb 16 (at km 93.77 km): +39 m over 430 m, average slope 9.1%
- Climb 17 (at km 100.54 km): +120 m over 2.13 km, average slope 5.6%
- Climb 18 (at km 108.72 km): +223 m over 2.48 km, average slope 9.0%
- Climb 19 (at km 127.57 km): +66 m over 4.81 km, average slope 1.4%
