As of March 2025, Hidakasanmyaku Erimo Tokachi National Park had the largest area among all national parks in Japan, with approximately * thousand hectares. Hidakasanmyaku Erimo Tokachi National Park is located in the southern part of Hokkaido Prefecture. The park is the newest addition to Japan's numerous national parks, several of which are located on Hokkaido, Japan's northernmost major island.
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MOE (Japan). (March 25, 2025). Largest national parks in Japan as of March 2025, by area (in 1,000 hectares) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 24, 2026, from /statistics/1079406/japan-largest-national-parks-by-gross-area/
MOE (Japan). "Largest national parks in Japan as of March 2025, by area (in 1,000 hectares)." Chart. March 25, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 24, 2026. /statistics/1079406/japan-largest-national-parks-by-gross-area/
MOE (Japan). (2025). Largest national parks in Japan as of March 2025, by area (in 1,000 hectares). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 24, 2026. /statistics/1079406/japan-largest-national-parks-by-gross-area/
MOE (Japan). "Largest National Parks in Japan as of March 2025, by Area (in 1,000 Hectares)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Mar 2025, /statistics/1079406/japan-largest-national-parks-by-gross-area/
MOE (Japan), Largest national parks in Japan as of March 2025, by area (in 1,000 hectares) ÌÇÐÄÆÆ½â°æ, /statistics/1079406/japan-largest-national-parks-by-gross-area/ (last visited July 24, 2026)
Largest national parks in Japan as of March 2025, by area (in 1,000 hectares) [Graph], MOE (Japan), March 25, 2025. [Online]. Available: /statistics/1079406/japan-largest-national-parks-by-gross-area/