- Yamagata City recorded Japan's highest temperature of 40.8°C at the time in 1933.
- Every municipality in the prefecture has natural hot springs, ranking among the top nationwide in number of sources.
- The Yukioroshi Ondo (snow-shoveling dance) in Obanazawa City is a unique cultural event celebrating heavy snowfall.
- Yamadera Temple (Risshakuji) is where haiku poet Matsuo Basho composed the famous verse: 'Stillness - penetrating into rocks, the cicada's cry.'
- The Mogami River flows north through the prefecture and is called the mother river, historically transporting culture from Kyoto via river shipping.
- Dadacha-mame edamame from the Shonai region has intense sweetness and limited harvests, making it a legendary delicacy.
- Tendo City holds approximately 90% of Japan's shogi piece production share, with the spring Ningen Shogi (Human Shogi) as a national event.
- During harsh winter, snow monsters (juhyo) form on the Zao mountain range, becoming popular as Snow Monsters.
- The local dialect of reading circle numbers like ichi-maru (one-circle) became a topic through TV commercials.
- Yamagata ranks first nationwide in konnyaku consumption, with tama-konnyaku also called Yamagata oden.
- The official prefectural mascot Perorin is modeled after La France pears.
- Tsuruoka City became Japan's first municipality designated as a UNESCO City of Gastronomy.
- The Japan Heritage Samurai-Related Silk lives on at the Matsugaoka Reclamation Site.
- The prefectural flower safflower brought enormous wealth through benibana trade during the Edo period.
- The Yamagata method of applying hot wax to skis spread throughout the competitive skiing world.