The Korea Forest Service has registered Gimcheon walnuts from Gyeongbuk as Geographical Indication No. 59 for forest products. This system differentiates products with clear origin, safe production history, regional, historical, and cultural characteristics from general forest products. Gimcheon is the main producer of walnuts in Korea, accounting for 32% of the national production. Only 13 out of 59 geographical indications for forest products in the country.