1-star hiking: Short-distance walking tours of no more than 5 km (3 miles) on well-paved or mostly well-surfaced paths with little or no ascent, typically in urban or low-altitude areas.

2-star hiking: Easy half-day hiking estimated at 5–15 km (3–9 miles) with ascents and descents on paved steps, typically at altitudes of no more than 2,000 m (6,560 ft).

3-star hiking: Moderate to long day treks ranging from about 10–20 km (6–12 miles) with ascents that could exceed 500 m (1,500 ft) and high points potentially surpassing 3,000 m (10,000 ft) above sea level. Trails may include dirt roads or small forest paths.

4-star hiking: Moderate to challenging multiday hiking averaging more than 10 km (6 miles) per day, possibly featuring ascents and descents on steep paths, and may reach altitudes between 3,000 and 5,000 m (10,000–16,000 ft).

5-star hiking: Highly challenging multiday trekking expeditions requiring professional logistical support and specialized equipment. These hikes often involve mountaineering and altitudes exceeding 5,000 m (16,400 ft).