This research focused on the hilly and mountainous area of Yame City, Fukuoka Prefecture, which suffered damage due to the heavy rains that occurred in the northern part of Kyushu in July 2012. The objective of this research was to identify the distribution of damage to agricultural land in the Yame City area and the districts in which it was concentrated. In addition to characterizing the damage, the research was aimed at revealing the activities of aid agencies. To conduct this research, the carried out questionnaire survey by Yame City, the disaster report on the agricultural land and facilities was analyzed, and interviews were conducted to an NPO, and the leaders of the local. The results of our research led to the following conclusions: (1) Following a comparison of the reported disaster densities in the managed cultivated areas, it was ascertained that the damage was concentrated in Jouyo Town, Hoshino Village, and Kurogi Town, with totals ranging from 170.5 to 299.7 incidents/km2, and particularly in the Kasahara District of Kurogi Town, with a total of 1503.1 incidents/km2. (2) The damage to roads in the semi-mountainous regions and it was shown that this situation exacerbated the difficulties of the recovery. (3) It was reinforced that the presence of an NPO with a base in the disaster area meant that the initial support for the recovery was highly effective.