It rises out of the Sea of Japan forming Rishiri Island.

[3] Mount Rishiri is made up of alkali and non-alkali mafic volcanic rock dating from the Late Pleistocene, 130,000–18,000 years ago.

[2] The ascent of Rishiri is challenging in places and not suitable for novice hikers.

There is a campsite partway up the mountain from the dock, and an unmanned hut located a short distance below the summit.

The package of Shiroi Koibito cookies includes a picture of Mount Rishiri arranged in the centre.