Allgunnen is a lake in eastern Småland of 1310 hectares. It is located in the southern part of Högsby municipality and borders Nybro municipality. The lake is part of the Alsterån river basin. The number of islands is 122 with many good places for beaching.
The lake has good water quality which means that many fish species are found here such as perch, bream, bream, tench, roach, rudd, carp, tench, bivalve and signal crayfish. To make it easier for tourists, there are 10 marked vases on the nautical chart that are continuously maintained. Both great black-backed guillemots and ospreys nest in the lake.
