Rezerwat Lubygość

Lubogoszcz - a dystrophic channel lake in Poland with a total area of 17.8 ha, located northwest of Mirachów in Kartuzy municipality, Kartuzy county, in the Kashubian Lake District in the Potęgowskie Lakes complex. It lies within the Kaszubski Landscape Park. It is surrounded by the landscape reserve "Lubygość" created in 1962, with an area of 69.37 ha.

The characteristic feature of the reservoir is blood-brown colored water, both in the lake and in the inflowing stream. In spite of this unusual color, it is possible to bathe in the lake, although inaccessible shores and a long distance from the nearest parking lot make it not a frequently visited place. Near the lake shore there are caves, similar in appearance to the Mechowskie Caves.

On the right side of the lake, about 3 km from the shore there is a bunker "Ptasia Wola" and a monument commemorating the heroic defenders of Lubogoszcz Lake.

At the end of the summer of 1943, the Gestapo intensified its actions aimed at breaking up the Secret Military Organization "Gryf Pomorski". In September 1943, a group of Gestapo men headed by Jan Kaszubowski and Jan Bianga surrounded a part of Mirachowskie Forests in order to liquidate a Gryf Pomorski unit operating in that area. They managed to surround "Ptasia Wola" bunker, in which together with neighboring bunker about 20 soldiers were quartered.

Near the lake there is the Kashubian Tourist Trail.

South of the lake, opposite the forester's lodge, there is a natural monument - a spruce with a height of about 27 m, girth of 3.5 m and age of about 200 years.