The Ushkan Islands are a small archipelago on Lake Baikal in Russia. The group of islands consists of four islands:
One large island — Big Ushkan Island, 9.5 km² or 3.7 sq mi.
Three islets: Long Ushkan Islet, Thin Ushkan Islet, and Round Ushkan Islet.The islands are mainly composed of ancient crystallic limestone, and covered with larch forest. Islands' coastlines are rookery places of Baikal seals.
Wikipedia https://en.wikipedia.org/wiki/Ushkan_Islands
Address Russia
Coordinates 53°51'7.891" N 108°36'3.841" E