Usury is a flat valley on the eastern part of Olkhon Island and the first bay on Khoboy cape. It is the only place on the north of Olkhon where an automobile road comes down to the water. There is a small settlement Usury on the shore of Baikal where a weather station with a wind motor is located. On the left slope in graphite marbles there is a little cave and a 2-meters refined arch. In shale-marble rock geologists found a mineral: emerald-green tourmaline.