abilitato: qualified, authorised, licensed, certified (he/she has been certified in the profession of ...)
riconosciuto (ufficialmente...): recognised, approved...
Il forum it/eng
https://forum.wordreference.com/threads/guida-escursionistica-ambientale.1790662/
Il sito AIGAE
https://www.aigae.org/aigae-the-italian-association-for-professional-nature-and-walking-guide/
Visti dagli altri
https://natour-project.eu/learning-contents-module-3/
STEPS IN PREPARING & LEADING NATURE HIKES
https://web.eenorthcarolina.org/Files/ncee/2015/NatureHikes.pdf