Mt. Kagami is a scenic mountain located in Karatsu City, Saga Prefecture, with an elevation of 284 meters. It offers stunning panoramic views of Karatsu Bay, Niji no Matsubara, and Karatsu Castle. The summit features a park with walking trails, observation decks, and picnic areas. In spring, Mt. Kagami becomes especially popular for viewing cherry blossoms and vibrant azaleas.