20 Glacial Potholes at Askola Finland (Hiidenkirnut)

Total of 20 cylindrical potholes have been found at the area of Kirnukallio in Askola. The largest of them is the pothole named ”Jättiläisen kuhnepytty” (The Giant’s Tub) (15:50) which has a diameter of 4,2 m and is 10,3 m deep. There are also three other large potholes beside the Giant's Tub. "Professori Okko"(15:20) has a depth of 4 m. And a special triple-pothole named "Kohiseva"(17:30), a Finnish term for the sound of a waterfall. The pothole "Vakka"(19:10) is 3,2 m deep. http://www.hiidenkirnut.fi/