T – Tourist, an easy route without difficulty and that does not provide for so many hours walking.
E – Escursionist, a route which includes different paths takes place on trails with various sections also steep.
EE – Escursionisti Experts, a route which takes place mostly at high altitudes and on trails with exposed stretches.
EEA – Escursionisti Experts with Equipment, a route which presents mountaineering features with equipped sections, and 1st and 2nd degree rocky mountains.
Appropriate physical and technical requirements are therefore IMPORTANT.