Only 13000 trees survived until today and, according to Guinness Book, they are forming the longest tree-lined avenue in the world (about 35km).
The trees around the Toshougu Shrine from Nikko are from the same period, and the best place to admire them is probably on this beautiful alley connecting Toshougu to the Futarasan Shrine. The trees are simply overwhelming:
EXIF info:
Nikon D90
Lens: VR 18-55mm F/3.5-5.6G
Focal Length: 24mm
Aperture: F/5.6
Shutter Speed: 1/80s
ISO Sensitivity: ISO 200