Ancient Trees in Asago
ancienttrees.app

Itoi-no-Okatsura (The Great Katsura of Itoi)
Katsura (Cercidiphyllum japonicum). over 1,000 years, some sources say up to 2,000. Free, but remote: a mountain trail in a prefectural natural park with no gate or fee, roughly 90 minutes on foot from the nearest bus terminus.