Covering an area of 237.86 square kilometres (91.84 sq mi), the park takes its name from the Wda river.

The park (together with the Tuchola, Wdzydze and Zaborski Landscape Parks) forms the buffer zone of the Tuchola Forest Biosphere Reserve, designated under the UNESCO Man and the Biosphere Programme in 2010.

[1] After the construction of the hydroelectric power plant in Żura in 1930, as a result of damming the Wda and flooding the estuary sections of its tributaries, the Żurski Reservoir with an area of 440 ha was created.

This resulted in a rise in the water level and a connection of the Wda river with two flooded depressions of the area, i.e. the present lakes Wierzchy and Mukrza.

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