the rocks that can be found. The parish consisted long ago of high mountains and valleys, and it still does even though they are not that characteristic. The ground in the area has mainly been hardened due to processes in Prehistoric Times. The farmland consists mostly of clayey soils because for many thousand years the ocean covered what now is Gilberga parish. The Ice Age affected the area, the ground was elevated from the ocean level and clay was left in this place as the ocean withdrew. An interesting finding from the Ice age are the big sand hill in Nysäter and Hasslerud. By the shore of the Gillberga lake, the water has been swirled the sand and done so that the rocks are round cut. Gilberga lake Gillberga lake is a 200-hectare nature reserve. 1986 was the year as it became a nature reserve, a reason for that was the cultural and historical value and it is uniqueness in the county of Värmland. The reserve is located south of Gilberga church. In March and the beginning of April are the bird skylark there. Later the will be many other birds there. References Populated places in Värmland County