 As the name indicates, the mountain is steep, and has cirques just like other lofty peaks in the Hidaka Mountains; containing Hachi no sawa Cirque (八ノ沢カール) in Tokachi Subprefecture side and Koiboku Cirque (コイボクカール) in Hidaka Subprefecture side.There also lie Moraines in downstream of those cirques.Those cirques in the Hidaka Mountains are smaller than ones in Hida Mountains region.