The Park lies within the Podlaskie Voivodeship: in Łomża County (covering Gmina Łomża, Gmina Piątnica, Gmina Wizna) and in Zambrów County (Gmina Rutki).

The protected area of the park consists of unique landscape features such as pristine valleys and marshes with high aesthetic appeal.
The total area under protection amounts to 19,664 ha, of which 7,353.5 ha lies within the actual park boundaries, and the 12,310.5 ha creates park's protective buffer zone (Polish: otulina).
The Park lies within the Podlaskie Voivodeship: in Łomża County (covering Gmina Łomża, Gmina Piątnica, Gmina Wizna) and in Zambrów County (Gmina Rutki).
The protected area of the park consists of unique landscape features such as pristine valleys and marshes with high aesthetic appeal. The total area under protection amounts to 19,664 ha, of which 7,353.5 ha lies within the actual park boundaries, and the 12,310.5 ha creates park's protective buffer zone (Polish: otulina).
Łomża Landscape Park