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Abstract
An account of observations of fossil ice wedge polygons at Hässleholm in the province of Skåne (Scania) is presented. The polygons are very large, 35 × 65 m, and the pattern orthogonal. They were formed on the surface of a small glaciofluvial delta, when the inland ice receded from northern Skåne during pre-Bølling time. Some ice-wedge casts in the distal part of the delta have been eroded in their upper parts. Several syngenetic fossil ice wedges and fossil ground surfaces with frost cracked stones and ventifacts indicate a rising water level in the Baltic Ice Lake. Large nonsorted circles are also present. It is possible that the circles were formed by thermokarst phenomena. A preliminary report is given of an inventory of fossil frost fissures in southern Sweden. The paleoclimatic environment there at the time of recession of the inland ice is discussed.