Sugaya mining site was introduced to the international Paris exposition in 1900 as a traditional ironmaking site by ‘Kozan Hattatsu-shi’ which was a record of all sorts of mines prepared by the national government. The objective of this article is to explore the geological and geographical aspects of the use of natural resources in Tatara ironmaking practice in comparison to the descriptions of ‘Tetsuzan Hitsuyo Kiji’, one of the few remaining technical books from Edo period. The analysis focused on the following four aspects; extraction of iron-sand, charcoal production and water system which determine the successful business operations.