Hiking is all about going for long walks in nature. If you are a beginner, do not worry! There are hikes around Tokyo that are completely doable day hikes just wearing exercise clothes and your favorite running shoes.
However, if you are unsure and want to be prepared, here is a list of websites containing valuable hiking tips:
– Hikes in Japan Information Guides –
– Hiking For Beginners: 11 Essential Tips by Cris Hazzard –