Allgunnen is a lake in eastern Småland in 1310 have. It is located in the south of Högsby municipality and borders against Nybro Municipality. The lake is part of Alsterån basin. The number of islands is 122 pieces with many great places to go ashore. The lake has good water quality that allows many species of fish are found here, such as perch, silver bream, bleak, ruffe, pike, perch, roach, burbot, bream, rudd, tench, vendace and Signal crayfish. For the convenience of tourists there are 10 pieces vases marked on the chart maintained continuously. Both black-throated diver who osprey nesting in the lake.