Iwamon Waterfall (岩門) is about 20 meters high, located in Seki Town on Route 81, Gifu.
In front of the waterfall, there is a gate (Torii) with a height of 10 meters and 10 meters wide. In the second half of the Kamakura era, Fudo Myo was enshrined beside the gate.
Sign indicating the Waterfall on Route 81
Gifu-ken Seki-shi Horadoono