An in-depth list of recommended things to do, see and eat in Onomichi (尾道) Hiroshima from an ex-local. Where to eat in Onomichi including Hiroshimayaki, Onomichi Ramen, a vegan cafe & sushi. Things to do in Onomichi. Weather in Hiroshima. Photos of Senkoji Temple and Ropeway, Onomichi City Museum of Art, Shimanami Kaido, Kosanji Temple and Miraishin no Oka. Arrive into Onomichi station on the JR Sanyo Line. Onomichi, Hiroshima is located on the Seto Inland Sea. I recommend 1-3 days in Onomichi.