A sacred place, Taiseki-ji Temple will give you a more in-depth understanding of the area's religious beliefs. Take a few moments to learn about the importance of this site to the locals.
You'll be spoiled for sightseeing choice in Fujinomiya. Taiseki-ji Temple is a good place to kick off here, but there are numerous other fine places to enjoy. Mt. Fuji World Heritage Center, Lake Tanuki, and Makaino Farm are close to the place of worship and will fill in your day nicely.
