Sweden's lowest point is located in the reserve at 2.41 metres (7 ft 11 in) below sea level.
The bay was drained in the 1860s by John Nun Milner, an engineer, to get more arable land for Kristianstad.
Established in 2005, it provides habitat for a large number of endangered species of birds and fish.
There are also deposits remaining from the Ice Age, the forests of Hanöbukten Bay and the rich wetlands of the River Helge.
[citation needed] The hiking trail Skåneleden has a sub-trail named after Vattenrike, traversing it north to south and passing through the town of Kristianstad.