I am not sure if a big eruption occurred many years ago or just a rising magma made up this mountain. The black lava stones were ragged and had edges. Please be careful and if possible, put grabs on your hands.
The coastline to Hakodate City could be seen from the southern hillside of Mt. Esan. It was a little but too early to see the flowers of Azalea fully flourishing.
People in the southern part of Hokkaido can see beautiful cherry blossoms earlier than the ones in other part of Hokkaido. We are now waiting for the season of flowers after the long winter.