Fujizuka mounds are artificial mounds constructed by filling up earth and were built at places that can command Mt. Fuji, and Sengen-taisha Shrine was built atop those mounds.
富士塚は土を盛って作られた人工の小さな山で、富士山がよく見えるところに作られ、山頂には浅間神社が祀られた。