Grade 6

說明：1.A Grade 3 to 5 trail covered in snow (ice). 2.Special routes, such as routes that are not established, unformed mountainous tracks without defined roadbeds or paths, remnants of ancient trails, or trails that require specialized exploration or climbing skills.

適合對象：People familiar with snow mountaineering or those who have the necessary technical/climbing skills.

建議裝備：Bring the necessary camping and related technical/climbing equipment based on your itinerary.