20.99 km loop hiking starting from Tunyuan. Elevation gain is 4454 m, with altitude ranging from 1994 m to 3351 m. Estimated time: 9 h 30 min. Starting town: Tunyuan (南投縣, 臺灣).
This hike includes 7 significant climbs. With a total elevation gain of 1329 m across 6.66 km, with an average slope of 20.0%.
- Climb 1 (at km 4.55 km): +210 m over 770 m, average slope 27.3%
- Climb 2 (at km 5.86 km): +114 m over 525 m, average slope 21.7%
- Climb 3 (at km 10.58 km): +317 m over 1.03 km, average slope 30.7%
- Climb 4 (at km 13.42 km): +172 m over 450 m, average slope 38.2%
- Climb 5 (at km 14.38 km): +94 m over 317 m, average slope 29.6%
- Climb 6 (at km 20.10 km): +311 m over 3.13 km, average slope 9.9%
- Climb 7 (at km 21.46 km): +111 m over 429 m, average slope 25.9%
