"HAKKODA Caldera". Quaternary Volcanoes of Japan. National Institute of Advanced Industrial Science and Technology. 2006. Archived from the original on 19 December 2012. Retrieved 13 September 2008.
aomori-jomon.jp
Tsuji Seiichirō (31 October 2018). "第5回 噴火が文化? 再び十和田の巨大噴火と円筒土器文化" [Did the fifth eruption create a culture? Towada's giant eruption and cylindrical pottery culture]. Jomon Aomori (in Japanese). Archived from the original on 23 September 2020. Retrieved 25 May 2020.
aptinet.jp
"八甲田山" [Hakkōda Mountain]. APTINET (in Japanese). Archived from the original on 4 August 2020. Retrieved 25 May 2020.
archive.today
"HAKKODA Caldera". Quaternary Volcanoes of Japan. National Institute of Advanced Industrial Science and Technology. 2006. Archived from the original on 19 December 2012. Retrieved 13 September 2008.
asahi.com
dot.asahi.com
"これが「ロイヤルルート」 徳仁天皇が歩いた道で山登り!" [This is the "Royal Route" Climb the mountains that Naruhito summited!]. Asahi Shimbun (in Japanese). 22 August 2019. Archived from the original on 30 December 2019. Retrieved 29 October 2020.
biodic.go.jp
sizenken.biodic.go.jp
"八甲田山湿原群" [Hakkōda Wetlands] (in Japanese). Archived from the original on 10 February 2013. Retrieved 25 May 2020.
"八甲田山系の植生" [Flora of the Hakkōda Mountains] (in Japanese). City of Aomori. 7 January 2015. Archived from the original on 30 October 2020. Retrieved 27 October 2020.
en-aomori.com
"Snow Monsters in Hakkoda". Aomori Prefectural Government. 26 December 2016. Archived from the original on 27 October 2020. Retrieved 28 October 2020.
"地理院地図" [GSI Map] (in Japanese). Geospatial Information Authority of Japan. 2024. Archived from the original on 6 March 2020. Retrieved 22 January 2024.
gsj.jp
gbank.gsj.jp
"GeomapNavi". Seamless digital geological map of Japan V2. Geological Survey of Japan. 31 January 2014. Archived from the original on 17 August 2020. Retrieved 25 May 2020.
"噴火活動史" [Eruption history]. Japan Meteorological Agency (in Japanese). Archived from the original on 6 April 2020. Retrieved 18 May 2020.
kotobank.jp
"十和田八幡平国立公園" [Towada-Hachimantai National Park]. Kotobank (in Japanese). The Asahi Shimbun Company. Archived from the original on 19 April 2021. Retrieved 25 May 2020.
maff.go.jp
rinya.maff.go.jp
"八甲田山生物群集保護林" (in Japanese). Tohoku Regional Forest Office. 2021. Archived from the original on 29 April 2021. Retrieved 29 April 2021.
"白神八甲田緑の回廊" [Shirakami Hakkōda Green Corridor] (PDF) (in Japanese). Tohoku Regional Forest Office. 2021. Archived(PDF) from the original on 29 April 2021. Retrieved 29 April 2021.
mainichi.jp
"雪崩 県内は大丈夫なの? /青森" [Aomori- Should you worry about avalanches in the prefecture?]. Mainichi Shimbun (in Japanese). 30 March 2017. Archived from the original on 1 November 2020. Retrieved 28 October 2020.
marugotoaomori.jp
"世界に羽ばたくかも!?棟方志功の「八甲田山バッジ」。" [Maybe you can fly to the world!? "Hakkōda Mountains Badge" by Shikō Munakata.] (in Japanese). Aomori Prefectural Government. 15 November 2007. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
"第5回八甲田山火山防災協議会 – 数値シミュレーション計算結果" [5th Hakkoda Volcano Disaster Prevention Council – Numerical simulation calculation result] (PDF). Aomori City Government (in Japanese). Retrieved 22 May 2020.[permanent dead link]
si.edu
volcano.si.edu
"Hakkoda Group". Global Volcanism Program. Smithsonian National Museum of Natural History. Archived from the original on 8 July 2004. Retrieved 13 September 2008.
snowjapan.com
Bernard, Simon (February 2004). "Feature: Hakkoda". Snow Japan. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
sukayu.jp
"酸ヶ湯温泉の歴史" [History of Sukayu Onsen] (in Japanese). Archived from the original on 29 May 2020. Retrieved 25 May 2020.
tohoku.ac.jp
web.tohoku.ac.jp
"八甲田山分園について" [About the Mount Hakkōda branch]. Tohoku University. Archived from the original on 10 August 2020. Retrieved 25 May 2020.
"青森で雪崩、女性1人死亡 スキー場周辺でスノボ" [Avalanche in Aomori kills one female snowboarder near ski resort]. The Tō-Ō Nippō Press (in Japanese). 21 February 2021. Archived from the original on 21 February 2021. Retrieved 22 February 2021.
topographic-map.com
en-ca.topographic-map.com
"Aomori Prefecture". topographic-map.com. 2020. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
web.archive.org
"Hakkoda Group". Global Volcanism Program. Smithsonian National Museum of Natural History. Archived from the original on 8 July 2004. Retrieved 13 September 2008.
"Aomori Prefecture". topographic-map.com. 2020. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
"津軽海峡" [Tsugaru Strait]. Asobihorokerusan (in Japanese). Archived from the original on 22 September 2023. Retrieved 22 May 2020.
"6 八甲田山" [6 Mount Hakkōda] (in Japanese). National Diet Library. 2008. Archived from the original on 29 November 2020. Retrieved 23 June 2020.
"地理院地図" [GSI Map] (in Japanese). Geospatial Information Authority of Japan. 2024. Archived from the original on 6 March 2020. Retrieved 22 January 2024.
"八甲田山湿原群" [Hakkōda Wetlands] (in Japanese). Archived from the original on 10 February 2013. Retrieved 25 May 2020.
"GeomapNavi". Seamless digital geological map of Japan V2. Geological Survey of Japan. 31 January 2014. Archived from the original on 17 August 2020. Retrieved 25 May 2020.
"八甲田山" [Mount Hakkōda] (in Japanese). Japan Meteorological Agency. 2016. Archived from the original on 31 October 2020. Retrieved 29 October 2020.
"火山ガスか、タケノコ採りの中2女子死亡…青森" [Volcanic gas leads to the death of girl while collecting bamboo shoots... Aomori]. Yomiuri Shimbun (in Japanese). 20 June 2010. Archived from the original on 24 June 2010. Retrieved 18 May 2020.
"噴火活動史" [Eruption history]. Japan Meteorological Agency (in Japanese). Archived from the original on 6 April 2020. Retrieved 18 May 2020.
Tsuji Seiichirō (31 October 2018). "第5回 噴火が文化? 再び十和田の巨大噴火と円筒土器文化" [Did the fifth eruption create a culture? Towada's giant eruption and cylindrical pottery culture]. Jomon Aomori (in Japanese). Archived from the original on 23 September 2020. Retrieved 25 May 2020.
"酸ヶ湯温泉の歴史" [History of Sukayu Onsen] (in Japanese). Archived from the original on 29 May 2020. Retrieved 25 May 2020.
"八甲田山分園について" [About the Mount Hakkōda branch]. Tohoku University. Archived from the original on 10 August 2020. Retrieved 25 May 2020.
"十和田八幡平国立公園" [Towada-Hachimantai National Park]. Kotobank (in Japanese). The Asahi Shimbun Company. Archived from the original on 19 April 2021. Retrieved 25 May 2020.
"これが「ロイヤルルート」 徳仁天皇が歩いた道で山登り!" [This is the "Royal Route" Climb the mountains that Naruhito summited!]. Asahi Shimbun (in Japanese). 22 August 2019. Archived from the original on 30 December 2019. Retrieved 29 October 2020.
"十和田 八甲田連峰" [Towada Hakkōda Mountain Range] (in Japanese). Archived from the original on 3 October 2019. Retrieved 25 May 2020.
"八甲田 奥入瀬 四季の彩り" [Hakkoda Oirase Colors of the four seasons] (in Japanese). Archived from the original on 14 March 2022. Retrieved 25 May 2020.
"世界に羽ばたくかも!?棟方志功の「八甲田山バッジ」。" [Maybe you can fly to the world!? "Hakkōda Mountains Badge" by Shikō Munakata.] (in Japanese). Aomori Prefectural Government. 15 November 2007. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
"八甲田山生物群集保護林" (in Japanese). Tohoku Regional Forest Office. 2021. Archived from the original on 29 April 2021. Retrieved 29 April 2021.
"The Mountain". Aomori Prefectural Government. 2020. Archived from the original on 27 October 2020. Retrieved 24 October 2020.
"Jogakura Bridge". Tohoku Kanko. Archived from the original on 27 October 2020. Retrieved 24 October 2020.
"はっこうださん おおだけ" [Mount Hakkōda Ōdake] (in Japanese). Yama-kei. October 2020. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
"トレッキング情報" [Trekking Information]. Hakkōda Ropeway (in Japanese). Archived from the original on 15 August 2020. Retrieved 22 May 2020.
Bernard, Simon (February 2004). "Feature: Hakkoda". Snow Japan. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
"雪崩 県内は大丈夫なの? /青森" [Aomori- Should you worry about avalanches in the prefecture?]. Mainichi Shimbun (in Japanese). 30 March 2017. Archived from the original on 1 November 2020. Retrieved 28 October 2020.
"青森で雪崩、女性1人死亡 スキー場周辺でスノボ" [Avalanche in Aomori kills one female snowboarder near ski resort]. The Tō-Ō Nippō Press (in Japanese). 21 February 2021. Archived from the original on 21 February 2021. Retrieved 22 February 2021.
"白神八甲田緑の回廊" [Shirakami Hakkōda Green Corridor] (PDF) (in Japanese). Tohoku Regional Forest Office. 2021. Archived(PDF) from the original on 29 April 2021. Retrieved 29 April 2021.
"Snow Monsters in Hakkoda". Aomori Prefectural Government. 26 December 2016. Archived from the original on 27 October 2020. Retrieved 28 October 2020.
"八甲田山" [Hakkōda Mountain]. APTINET (in Japanese). Archived from the original on 4 August 2020. Retrieved 25 May 2020.
"八甲田山系の植生" [Flora of the Hakkōda Mountains] (in Japanese). City of Aomori. 7 January 2015. Archived from the original on 30 October 2020. Retrieved 27 October 2020.
"津軽海峡" [Tsugaru Strait]. Asobihorokerusan (in Japanese). Archived from the original on 22 September 2023. Retrieved 22 May 2020.
yamakei-online.com
"はっこうださん おおだけ" [Mount Hakkōda Ōdake] (in Japanese). Yama-kei. October 2020. Archived from the original on 31 October 2020. Retrieved 28 October 2020.
yomiuri.co.jp
"火山ガスか、タケノコ採りの中2女子死亡…青森" [Volcanic gas leads to the death of girl while collecting bamboo shoots... Aomori]. Yomiuri Shimbun (in Japanese). 20 June 2010. Archived from the original on 24 June 2010. Retrieved 18 May 2020.
yushu.co.jp
"八甲田 奥入瀬 四季の彩り" [Hakkoda Oirase Colors of the four seasons] (in Japanese). Archived from the original on 14 March 2022. Retrieved 25 May 2020.
yuubinsyumi.com
"十和田 八甲田連峰" [Towada Hakkōda Mountain Range] (in Japanese). Archived from the original on 3 October 2019. Retrieved 25 May 2020.