Explore Mt. Iwaya's mystery on a bike tour in Onomichi, Hiroshima. Giant rocks at the summit create a "mystery zone" with ancient roots. Descend to the "Iwaya Giant Stone Fissure," aligned with solstice suns and cliff-carved Buddha.

Join our scenic Shimanami Kaido bike tour from Onomichi. Discover the beauty of Mukaishima, Innoshima, and Ikuchijima. The trip concludes with a relaxing boat ride back to Onomichi. Book your adventure now.