Gustavsfors is a natural part of Helge Island, with flowing water. Helgeån flows through a varied and beautiful landscape, where the river is lined with deciduous trees and beach meadows. In the river there are about 20 fish species, the most common of which are pike, color, lake, roach, rainbow and trout. There is also the sheltered mill, Sweden's largest freshwater fish. In Delary Dammsjö there are gossip, which is a popular sport fish.
In this area, there is one or more "put and take" waters.