Tricity Landscape Park (kaszb. Trzëmiejsczi Park Krajòbrazny) - a natural park with an area of 19,930 hectares located in the province.
It extends over the north-eastern part of the moraine plateau of the Kashubian Lake District, covering forest areas (90% of the area) with agricultural enclaves of the villages of Gniewowo, Zbychowo, Nowy Dwór Wejherowski, Reszki and Bieszkowice. The park covers part of Gdynia, Rumia, Szemud and Wejherowo as well as fragments of Sopot and Gdańsk. The park has a buffer zone with an area of 16 542 ha