Tokyo Metropolitan Government Building
Free observation deck in Shinjuku at 202 m. South Observatory gives the clean southwest sightline toward Fuji.

From the city
On clear winter mornings Fuji rises sharply above the southwest horizon of Tokyo. These are the easiest, mostly free places to catch the view.
Free observation deck in Shinjuku at 202 m. South Observatory gives the clean southwest sightline toward Fuji.
Free 25th floor observatory near Korakuen. West facing window, often the clearest free view in central Tokyo.
Open air rooftop at 270 m. Paid, but a true horizon with no glass.
Paid open air deck at 230 m. Best at sunset between November and February.
Free 26th floor observation lounge. Direct line of sight over residential Tokyo to Fuji.
Free roof garden facing west. Plane silhouettes and Fuji together on clear winter mornings.
December through February gives the highest chance of seeing Fuji from central Tokyo. Dry winter air, low humidity and strong northwest wind clear the haze. Mornings beat evenings. Summer is usually hazy and Fuji is rarely visible from Tokyo from June through September.