You need a bit of luck to enjoy a good view of Japan’s most iconic mountain. It is said to be surrounded by clouds more often than not. The Japanese even call Fuji “shy” for that.
The visibility problem is man-made, at least to some extent. There are a number of big paper mills alongside Fuji River, discharging large amounts of vapor. Chances to get a glimpse of Fuji are best after some strong rainfall, when the haze got washed away from the air.
Almost perfectly symmetrical
Fuji has been admired for its almost perfectly symmetrical shape throughout generations. If you take a closer look, however, you will notice a little hump on one of its slopes. The peak is called Mt. Hoei. It came into being, when Fuji erupted for the last time roughly 300 years ago.
The mountain is just 100km distant from central Tokyo. From the Bunkyo Civic Center you can enjoy a great Fuji view across the skyline of Shinjuku. Its top-floor observation platform is open Mon–Fri, 9am–8:30pm, the admission is free.
Considering its views, the Bunkyo observatory is surprisingly less frequented. If you like it a little quieter, it is a worthwhile alternative to more popular lookouts like Mori Tower, Tokyo Skytree, or Tokyo Tower.