De Chãos à Gruta

17.65 km loop hiking starting from Fonte da Bica. Elevation gain is 878 m, with altitude ranging from 174 m to 487 m. Estimated time: 7 h 50 min. Starting town: Fonte da Bica (Santarém District, Portugal).

This hike includes 3 significant climbs. With a total elevation gain of 652 m across 10.02 km, with an average slope of 6.5%.

• Climb 1 (at km 10.42 km): +338 m over 6.97 km, average slope 4.9%
• Climb 2 (at km 20.80 km): +200 m over 2.41 km, average slope 8.3%
• Climb 3 (at km 26.64 km): +114 m over 640 m, average slope 17.8%