- Yamanashi Prefecture is sometimes called the farthest prefecture from the sea in Japan because it has no coastline.
- The prefecture accounts for about 40% of domestic mineral water production, holding the largest share in Japan.
- The prefecture's official character inspired by Takeda Shingen is 'Takeda Hishimaru.'
- Kofu City is famous as a sunny area with one of the highest annual sunshine hours in Japan.
- There are about 50 Yoshida udon shops centered in Fujiyoshida City, with hardness comparisons being a hot topic.
- The prefectural border at the summit of Mount Fuji has undetermined sections, with ongoing negotiations with Shizuoka Prefecture.
- Hayakawa Town, with a population of about 1,000, is one of Japan's least populated towns.
- Jewel polishing originated from Edo-period crystal crafts and still holds the top domestic market share.
- Peach production ranks first in Japan, with variety relay enjoyable from late June through August.
- Kofu tori-motsu-ni became a nationwide local gourmet after winning the 2010 B-1 Grand Prix.
- Diamond Fuji can be observed on Mount Fuji's northern foothills every January and November.
- Along with Tochigi Prefecture, Yamanashi ranks among the top prefectures nationwide in convenience stores per capita.
- Shosenkyo Gorge is designated as a national special scenic beauty, a rare valley landscape.
- Yamanashi residents have a dialect culture of remembering prefectural borders by mountain passes.
- The Kyoto cultivation system in Yamanashi's main fruit-growing region has been designated as a Globally Important Agricultural Heritage System.