Yes, visiting Mount Fuji as a day trip from Tokyo is one of the most popular and feasible excursions in Japan. Most travelers head to the Fuji Five Lakes region, specifically Lake Kawaguchiko, which is roughly 2 to 2.5 hours away from central Tokyo by train or highway bus. A typical day trip involves taking the "Fuji Excursion" limited express train from Shinjuku, arriving by 10:30 AM, and spending 5 to 6 hours exploring photo spots like the Chureito Pagoda, the Oishi Park flowers, or taking the Mt. Fuji Panoramic Ropeway. While you cannot climb to the summit and return to Tokyo in a single day (the climb itself requires an overnight stay in a mountain hut), you can easily reach the 5th Station—the highest point accessible by vehicle—to enjoy the views and alpine atmosphere. In 2026, it is highly recommended to book bus or train tickets at least several days in advance, as these routes frequently sell out due to high demand from international tourists seeking that iconic view of Japan's most sacred peak.